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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

8 words match “ECHINODERMATA”

ECHINODERMATA n.
One of the grand divisions of the animal kingdom. By many writers it was formerly included in the Radiata. [Written also Echinoderma.]
ASTERIOIDEA; ASTERIDEA n.
A class of Echinodermata including the true starfishes. The rays vary in number and always have ambulacral grooves below. The body is starshaped or pentagonal.
CRINOIDEA n.
A large class of Echinodermata, including numerous extinct families and genera, but comparatively few living ones. Most of the fossil species, like some that are recent, were attached by a jointed stem. See Blastoidea, Cystoidea, Comatula.
ECHINODERM n.
One of the Echinodermata.
ECHINODERMATOUS a.
Relating to Echinodermata; echinodermal.
ECHINOIDEA n.
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. [Written also Echinidea, and Echinoida.]
ECHINOZOA n.
The Echinodermata.
SUBKINGDOM n.
le kingdom, as, in zoölogy, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.