from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Below the lower lip; said of certain scales of reptiles and fishes.
from the GNU version of the Collaborative International Dictionary of English
- adj. Below the lower lip; -- said of certain scales of reptiles and fishes.
from The Century Dictionary and Cyclopedia
- Lying below the lips.
- n. One of the series of horny plates which cover the edge of the lower lip in reptiles such as snakes and lizards; a lower labial or inferior labial: correlated with supralabial.
infra- + labial (Wiktionary)