D defs.my
Entry 1 sense Webster, 1913

Trachymedusae

· Tra·chy·me·du·sae · IPA
01 n. pl. A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on othe…
  1. 1.
    A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusae.(Zool.)