(1):
(a.) Headless.
(2):
(a.) Deficient and the beginning, as a line of poetry.
(3):
(a.) Without a leader or chief.
(4):
(a.) Having the style spring from the base, instead of from the apex, as is the case in certain ovaries.
(5):
(a.) Without a distinct head; - a term applied to bivalve mollusks.
(6):
(a.) Wanting the beginning.