The definition of a crest is something that is located at the top of something or someone or a symbol of a family name.
(noun)Crest is defined as to reach the highest point of something.
(verb)An example of crest is water reaching its highest level in a stream.
See crest in Webster's New World College Dictionary
noun
Origin: ME creste < OFr < L crista, prob. < IE base *(s)kreis-, to shake > MIr cressaim, I shake, ON hrista, to shake
transitive verb
intransitive verb
See crest in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English creste
Origin: , from Old French
Origin: , from Latin crista; see sker-2 in Indo-European roots
.Learn more about crest