Topic: OCEANOGRAPHY
Sense: 1
| Origin: | Old English scolu 'large group' |
| Date: | 1300-1400 |
| Origin: | shoal 'not deep' (11-20 centuries), from Old English sceald |
| |||||||||
shoal
[countable]
[countable]2HEO a small hill of sand just below the surface of water that makes it dangerous for boats
