Defn: That branch of zoölogical science which relates to the crustaceans; — called also carcinology.

MALACOSTRACOUS
Mal`a*cos"tra*cous, a. (Zoöl.)

Defn: Belonging to the Malacostraca.

MALACOTOON
Mal`a*co*toon", n. (Bot.)

Defn: See Melocoton.

MALACOZOA
Mal`a*co*zo"a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: An extensive group of Invertebrata, including the Mollusca,
Brachiopoda, and Bryozoa. Called also Malacozoaria.

MALACOZOIC
Mal`a*co*zo"ic, a. (Zoöl.)

Defn: Of or pertaining to the Malacozoa.

MALADDRESS
Mal`ad*dress", n. Etym: [Mal- + address.]