‖As‐te″ri‐as (�), n. [NL., fr. Gr. � starred, fr. αστἤρ star.] (Zoöl.) A genus of echinoderms.
☞ Formerly the group of this name included nearly all starfishes and ophiurans. Now it is restricted to a genus including the commonest shore starfishes.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.