1wedge 
/ˈwɛʤ/ noun
plural wedg·es /ˈwɛʤ/ noun [count] 1 : a piece of wood, metal, etc., with one pointed end and one thicker end that is used to split something, to fit into a space, to separate two things stuck together, etc.
▪ He used a wedge to split the firewood. ▪ A wedge held the door open. 2 : something that is shaped like a triangle or wedge
▪ wedges of cheese ▪ a lemon wedge ▪ The battalion formed a wedge and marched toward the enemy. 3 : a golf club that is used for hitting short, high shots
▪ He used a wedge to split the firewood. ▪ A wedge held the door open.
▪ wedges of cheese ▪ a lemon wedge ▪ The battalion formed a wedge and marched toward the enemy.
drive a wedge between
: to cause disagreement or anger between (people who had been friendly before)
▪ A fight over their parents' estate drove a wedge between the brothers.
▪ A fight over their parents' estate drove a wedge between the brothers.
the thin end of the wedge — see 1thin
