Word Meanings - ECHINOID - Book Publishers vocabulary database

Of or pertaining to the Echinoidea. -- n.

PERTAIN
stretch out, reach, pertain; per + tenere to hold, keep. See Per-, 1. To belong; to have connection with, or dependence on, something, as an appurtenance, attribute, etc.; to appertain; as, saltness pertains to the ocean; flowers pertain to plant
ECHINOIDEA
The class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid.
PALEECHINOIDEA
An extinct order of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palæechini.
APPERTAIN
To belong or pertain, whether by right, nature, appointment, or custom; to relate. Things appertaining to this life. Hooker. Give it unto him to whom it appertaineth. Lev. vi. 5. (more info) appartenir, fr. L. appertinere; ad + pertinere to reach