■ noun ( plural ~s )
1》 the structure forming the upper covering of a building or vehicle.
↘the top inner surface of a covered area or space.
2》 the upper limit or level of prices or wages.
■ verb cover with a ~.
↘function as the ~ of.
Phrases
go through the ~ informal (of prices or figures) reach extreme levels.
hit (or go through ) the ~ informal suddenly become very angry.
Derivatives
~er noun
~ing noun
~less adjective
Origin
OE hrōf , of Gmc origin.