[gan-oid] 
| 1. | of or pertaining to the Ganoidei, a group of mostly extinct fishes characterized by hard, bony scales, the living species of which include the paddlefishes, sturgeons, and gars. |
| 2. | (of the scale of a fish) having a smooth, shiny surface of ganoin or a similar substance. |
| 3. | a ganoid fish. |
| gan·oid (gān'oid') adj. Of, relating to, or characteristic of certain bony fishes, such as the sturgeon and the gar, that have armorlike scales consisting of bony plates covered with layers of dentine and enamel. n. A ganoid fish. [From New Latin Ganoideī, subclass name, from Greek ganos, brightness, gladness, from ganusthai, to rejoice; see gāu- in Indo-European roots.] |
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