from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A kind of bony tissue beneath the enamel of a ganoid scale.
from the GNU version of the Collaborative International Dictionary of English
- n. A peculiar bony tissue beneath the enamel of a ganoid scale.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales
Covered with a durable substance called ganoine, similar to tooth enamel, these scales were used as arrowheads by Native Americans.