• Webster's Revised Unabridged Dictionary
    • n. pl Malacozoa (Zoöl) An extensive group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria.
    • ***
Century Dictionary and Cyclopedia
    • n malacozoa Soft-bodied animals; the Mollusca in a broad sense, including mollusks proper, brachiopods, and polyzoans.
    • ***
Chambers's Twentieth Century Dictionary
    • Malacozoa mal-a-ko-zō′a soft-bodied animals, the Mollusca generally
    • ***


Webster's Revised Unabridged Dictionary
NL., fr. Gr. malako`s soft + zo^,on an animal