echinoid
[ ih-kahy-noid, ek-uh-noid ]
/ ɪˈkaɪ nɔɪd, ˈɛk əˌnɔɪd /
adjective
belonging or pertaining to the class Echinoidea, comprising mainly sea urchins and sand dollars.
noun
any echinoderm of the Echinoidea.
Words nearby echinoid
echinococcosis,
echinococcus,
echinococcus cyst,
echinoderm,
echinodermatous,
echinoid,
echinulate,
echinus,
echium,
echiurid,
echiuroid
Example sentences from the Web for echinoid
A pair of ciliated epaulettes on each side of and behind the ciliated ring is very characteristic of some Echinoid larv.
The Works of Francis Maitland Balfour, Volume II (of 4) |Francis Maitland BalfourThe rows of plates in an Echinoid which are not perforated for the emission of the "tube-feet."
The Ancient Life History of the Earth |Henry Alleyne Nicholson
British Dictionary definitions for echinoid
echinoid
/ (ɪˈkaɪnɔɪd, ˈɛkə-) /
noun
any of the echinoderms constituting the class Echinoidea, typically having a rigid ovoid body. The class includes the sea urchins and sand dollars
adjective
of or belonging to this class