HOLOSTOMATOUS
Hol`o*stom"a*tous, a. (Zoöl.)

Defn: Having an entire aperture; — said of many univalve shells.

HOLOSTOME
Hol"o*stome, n. Etym: [Holo + Gr. sto`ma mouth.] (Zoöl.)

Defn: One of the Holostomata.

HOLOSTRACA
Ho*los"tra*ca, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A division of phyllopod Crustacea, including those that are entirely covered by a bivalve shell.

HOLOTHURE
Hol"o*thure, n. Etym: [L. holothuria, pl., a sort of water polyp, Gr.
(Zoöl.)

Defn: A holothurian.

HOLOTHURIAN
Hol`o*thu"ri*an, a.

Defn: ( — n.