Webster
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Webster’s Revised Unabridged Dictionary · 1913

Nemertina

Nem′er·ti′na (nĕm′ẽr·tī′nȧ), n. pl. [NL. See Nemrtes.] (Zoöl.) An order of helminths usually having a long, slender, smooth, often bright-colored body, covered with minute vibrating cilia; — called also Nemertea, Nemertida, and Rhynchocœla.

☞ The mouth is beneath the head, and the straight intestine at the posterior end. They have a very singular long tubular proboscis, which can be everted from a pore in the front of the head. Their nervous system and blood vessels are well developed. Some of the species become over one hundred feet long. They are mostly marine and seldom parasitic; a few inhabit fresh water. The two principal divisions are Anopla and Enopla.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.