Defn: Having the fruit covered with spines.

ACANTHOCEPHALA
A*can`tho*ceph"a*la, n. pl. Etym: [NL., from Gr. (Zoöl.)

Defn: A group of intestinal worms, having the proboscis armed with recurved spines.

ACANTHOCEPHALOUS
A*can`tho*ceph"a*lous, a. (Zoöl.)

Defn: Having a spiny head, as one of the Acanthocephala.

ACANTHOPHOROUS
Ac`an*thoph"o*rous, a. Etym: [Gr.

Defn: Spine-bearing. Gray.

ACANTHOPODIOUS
A*can`tho*po"di*ous, a. Etym: [Gr. (Bot.)

Defn: Having spinous petioles.

ACANTHOPTERI
Ac`an*thop"ter*i, n. pl. Etym: [NL., from Gr. (Zoöl.)