DECOLLATED
Verb
decollated
simple past tense and past participle of decollate
Adjective
decollated
Rounded off, as the apex of a shell.
Source: Wiktionary
De*col"la*ted, a. (Zoöl.)
Definition: Decapitated; worn or cast off in the process of growth, as the
apex of certain univalve shells.
DECOLLATE
De*col"late, v. t. [imp. & p. p. Decollated; p. pr. & vb. n.
Decollating.] Etym: [L. decollatus, p. p. of decollare to behead; de-
+ collum neck.]
Definition: To sever from the neck; to behead; to decapitate.
The decollated head of St. John the Baptist. Burke.
Source: Webster’s Unabridged Dictionary 1913 Edition