ACALEPHOID
Ac`ale"phoid, a. Etym: [Acaleph + -oid.] (Zoöl.)

Defn: Belonging to or resembling the Acalephæ or jellyfishes.

ACALYCINE; ACALYSINOUS
A*cal"y*cine, Ac`a*lys`i*nous, a. Etym: [Gr. (Bot.)

Defn: Without a calyx, or outer floral envelope.

ACANTH
A*canth", n.

Defn: Same as Acanthus.

ACANTHA
A*can"tha, n. Etym: [Gr. Acute.]

1. (Bot.)

Defn: A prickle.

2. (Zoöl.)