sheet
Ice surface on which a match is played; when an end is complete, the next end starts from the opposite end of the sheet.
umpire 
Official who is responsible for applying the rules; in particular, the umpire rules on the correctness of throws and determines the distance between the stones and the tee.
tee line 
Line across the center of the house; behind this line, players are allowed to brush in front of an opponent’s stone in an effort to make it overshoot the house.
sheet 
Surface of the ice; it is watered regularly with fine droplets to reduce friction between the ice and the stone.
tee 
Circle forming the center of the house; once all the stones are thrown, the team with the stone closest to the tee wins the end.
vice-skip 
Player who assists the skip in devising playing tactics; the vice-skip usually throws third in an end.
skip 
Player who leads the team and determines strategy; the skip is usually the last to throw in an end.
hack 
Rubber foothold at each end of the sheet that the thrower uses to push off.
curler 
Curling player who throws two stones in each of the 10 ends that make up a match.
inner circle 
Circle surrounding the tee.
outer circle 
Circle forming the outer limit of the house.
lateral line 
Band or line that delimits the sides of the sheet; a stone that strikes the lateral line is removed from play.
center line 
Line that divides the sheet in half; the stone is thrown and released relatively close to this line.
hog line 
Line at the front of the house that marks the boundary of the playing area; the stones must be released before this line and must cross the opposite hog line to remain in play.
back line 
Line at the back of the house that marks the boundary of the playing area; a stone that crosses this line is removed from play.
lead 
First player to throw stones in an end.
second 
Second player to throw stones in an end.
free guard zone 
Area between the house and the hog line; leads may not remove the opposing team’s stones from play.
house 
Series of concentric circles forming the scoring zone; a point is scored for each stone that lies closer to the tee than the opposing team’s stones.