'Threadfish' definitions:

Definition of 'threadfish'

From: WordNet
noun
Fish having greatly elongated front rays on dorsal and anal fins [syn: threadfish, thread-fish, Alectis ciliaris]

Definition of 'Threadfish'

From: GCIDE
  • Threadfish \Thread"fish`\, n. (Zool.) (a) The cutlass fish. (b) A carangoid fish (Caranx gallus, or Caranx crinitus) having the anterior rays of the soft dorsal and anal fins prolonged in the form of long threads. [1913 Webster]

Definition of 'threadfish'

From: GCIDE
  • Polyneme \Pol"y*neme\, n. [Poly- + Gr. ? thread.] (Zool.) Any one of numerous species of tropical food fishes of the family Polynemid[ae]. They have several slender filaments, often very long, below the pectoral fin. Some of them yield isinglass of good quality. Called also threadfish. [1913 Webster]