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Webster 1913 Edition

Noun.

[

Poly-

+ Gr. [GREEK] thread.]

(Zool.)

Any one of numerous species of tropical food fishes of the family

Polynemidæ

. They have several slender filaments, often very long, below the pectoral fin. Some of them yield isinglass of good quality. Called also

threadfish

Noun.

A fish having a scaly compressed head,with a blunt prominent nose, and pliform appendages to the pectoral fins.