Zool. [mod.L., ad. Gr. ζύγαινα a kind of fish, perh. the hammer-headed shark.] a. Ichth. A fish of the genus formerly so named (now Sphyrna), comprising the hammer-headed sharks. b. Entom. A genus of moths (also called Anthrocera), comprising the burnet-moths. Hence Zygænid, -idan sbs., a member of the family Zygænidæ, typified by the genus Zygæna; adjs. belonging to the Zygænidæ.

1

1683–4.  [see balance-fish, BALANCE sb. 22].

2

1774.  Goldsm., Nat. Hist. (1824), III. 34. The Dog Fish,… the Zygæna, the Tope, the Cat Fish.

3

1837.  Sir J. Richardson, Fauna Bor.-Amer., IV. 301. Family Zygænidæ. Zygænidans.

4

1913.  Oxf. Univ. Gaz., 954/1. The Zygaenid moth Procris geryon.

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