Acephalous

Definition:

(a.) Headless.
(a.) Without a distinct head; -- a term applied to bivalve mollusks.
(a.) Having the style spring from the base, instead of from the apex, as is the case in certain ovaries.
(a.) Without a leader or chief.
(a.) Wanting the beginning.
(a.) Deficient and the beginning, as a line of poetry.

Compare acephalous with other words:

acephalous vs. cephalous

acephalic vs. acephalous

acephalous vs. mollusk

acephalous vs. bivalve