Definition of actinia:

part of speech: noun

The sea- anemone, so called from the ray- like arrangement of its tentacles, which surround the mouth like the petals of a flower. plu. actiniae.

Usage examples:

• 49 Actinia Bay, i. A.E. Nordenskieold in "The Voyage of the Vega round Asia and Europe, Volume I and Volume II".

• At some few places, however, the ground was covered with a carpet of mosses, lichens, grasses and allied plants, resembling that which I previously found at Actinia Bay. A.E. Nordenskieold in "The Voyage of the Vega round Asia and Europe, Volume I and Volume II".

• Several kinds of very large Actinia inhabit the rocks: all that we examined belonged to the species which is externally provided with rows of teats. Otto von Kotzebue in "A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2".

• It was the first time the Vega anchored in a proper haven, since on the 18th August 1878 she left Actinia Haven on Taimur Island. A.E. Nordenskieold in "The Voyage of the Vega round Asia and Europe, Volume I and Volume II".