Definify.com
Webster 1913 Edition
Blastoid
Blas′toid
,Noun.
(Zool.)
One of the Blastoidea.
Definition 2024
blastoid
blastoid
English
Noun
blastoid (plural blastoids)
- (paleontology) A member of an extinct class of echinoderms, the Blastoidea.
Adjective
blastoid (not comparable)
- (paleontology) Of or relating to blastoids.
- (medicine) Blastic.