#1 crest n. the top line of a hill, mountain, or wave. wn
#2 crest n. [peak, crown, top, tip, summit] the top or extreme point of something (usually a mountain or hill); "the view from the peak was magnificent"; "they clambered to the tip of Monadnock"; "the region is a few molecules wide at the summit". wn
#3 crest v. [cap] lie at the top of; "Snow capped the mountains". wn
#4 crest v. reach a high point; "The river crested last night". wn
#5 crest n. [crown] the center of a cambered road. wn
vizzz