Of, related to, or pertaining to a crown. / Of, related to, pertaining to the top of a tree or trees.

(vulgar, slang, derogatory) A contemptible or undesirable person.

(organic chemistry) The carboxylic acid 2,3,4,5,6-pentahydroxy hexanoic acid

A calcareous spicule that a gastropod mollusc drives into the body wall of its partner prior to copulation.