D defs.my
Entry 1 sense Webster, 1913

Polyactinia

· Pol·y·ac·tin·i·a · IPA
01 n. pl. An old name for those Anthozoa which, like the actinias, have numerous simple tentacles.
  1. 1.
    An old name for those Anthozoa which, like the actinias, have numerous simple tentacles.(Zool.)