Back Line: Line at the back of the house that extends across the width of the sheet. Stones that are completely over this line are removed from play.
Biter: A stone that just barely touches the outer edge of the outside circle of the house.
Blank End: An end in which neither team scores a point.
Bonspiel: A curling tournament or competition.
Brush: A device used to sweep or clean the ice in the path of a moving stone.
Burned Stone: A stone in motion touched by a member of either team, or any part of their equipment.
Button: The small circle at the center of the house.
Center Line: The line dividing the length of the playing surface down the middle.
Come Around: A shot that curls behind another stone.
Counter: Any stone in the rings or touching the rings which is considered a potential point.
Curl: The amount a rock bends as it travels down the sheet of ice.
Double Takeout: A stone that removes two of the opposing team’s stones from play.
Draw Weight: The momentum required for a delivered stone to reach the house at the distant end.
End: A portion of a curling game that is completed when each team throws eight stones and/or the score has been decided.
Extra End: An additional end played to break a tie at the end of a regulation game.
Free Guard Zone: The area at the playing end, between the hog line and the tee line, but excluding the house.
Freeze: A draw that stops directly up against another stone.
Guard: A stone that is played into a position so that it may protect another stone from a takeout.
Hack: The foot-hold at each end of the ice from which players propel themselves at the start of their delivery of a curling stone.
Hack Weight: The momentum required for a delivered stone to reach the hack at the distant end.
Handle: The part of a curling stone that a player grips in order to deliver.
Hammer: The last stone delivered in a given end.
Heavy: A stone delivered with a greater speed and force than necessary.
Hit: A takeout; removing a stone from the playing area by hitting it with another stone.
Hog Line: A line extending across the width of the sheet that is parallel to each tee line. A player delivering a stone must release it prior to the stone reaching the nearest hog line. Furthermore, if the delivered stone does not completely cross the hog line on the distant end, it is removed from play.
Hog Line Violation: A stone that is removed from play for the end, because the player did not release it before it reached the hog line at the delivering end.
Hogged Stone: A stone removed from play because it does not completely cross the hog line on the distant end of the sheet.
House: The concentric rings or circles toward which play is directed – consisting of a 12-foot ring, 8-foot ring, 4-foot ring and a button – at each end of the sheet.
Hurry: A command which instructs players to sweep harder.
In-turn: For a right-handed curler, it is the rotation applied to the handle of a stone which causes it to rotate in a clockwise manner. For a left-handed curler, it is the rotation applied to the handle of a stone which causes it to rotate in a counterclockwise manner.
Measuring Device: An instrument that determines which stone is closer to the center of the house (the pin), or whether a stone is in the house.
Out-turn: For a right-handed curler, it is the rotation applied to the handle of a stone which causes it to rotate in a counterclockwise manner. For a left-handed curler, it is the rotation applied to the handle of a stone which causes it to rotate in a clockwise manner.
Paint: See definition for HOUSE.
Pebble: Small frozen water droplets resulting from a fine spray of water that is applied to a sheet of curling ice before beginning play. When these droplets freeze, it reduces the friction between the ice and the stones.
Peel: A shot that removes a guard.
Pin: The center of the house.
Port: An opening, or gap, between stones.
Positioned Stones: In mixed doubles games, the two stones that are placed in designated positions prior to the start of each end.
Raise: A shot where a delivered stone bumps another stone forward.
Raise Takeout: A shot where a delivered stone hits a stationary stone, which then starts to move and it hits a third stone out of play.
Rings: See definition for HOUSE.
Rock: Also known as a stone, a curling rock is made of granite and is delivered by the players in a game.
Roll: The sideways movement of a stone after it has struck a stationary stone.
Sheet: The ice surface upon which a curling game is played.
Shot Stone (or Shot Rock): At any time during an end, the stone (or rock) closest to the pin.
Skip: The player who determines the strategy, and directs play for the team. Usually, the skip delivers the last pair of stones for the team in each end.
Slider: Slippery material placed on the sole of the sliding shoe, to make it easier to slide on the ice.
Stone: See definition for ROCK.
Takeout: Removal of a stone from the playing area by hitting it with another stone.
Tee Line: A line extending across the width of the sheet that passes through the center of the house. It runs parallel to the hog line and backline.
Weight: The amount of force and speed given to the stone during the delivery.