- shoal
- shoalshoal1 [shōl]n.[via dial. < OE scolu, multitude, school of fish, akin to Du school < IE * skēl- < base * (s)kel-, to cut > SHIELD]1. a large group; mass; crowd2. a large school of fishvi.to come together in or move about as a shoal or schoolshoal2 [shōl]n.[< earlier adj. shoal, shallow < ME scholde < OE sceald, shallow; akin to OE * scealw, SHALLOW]1. a shallow place in a river, sea, etc.; a shallow2. a sandbar or piece of rising ground forming a shallow place that is a danger to navigation, esp. one visible at low watervi.to become shallowvt.1. to make shallow2. to sail into a shallow or shallower part of (water)shoalyadj.SYN.- SHOAL2 applies to any place in a sea, river, etc. where the water is shallow and difficult to navigate; BANK2, in this connection, applies to a shallow place, formed by an elevated shelf of ground, that is deep enough to be safely navigated by lighter vessels; a REEF1 is a ridge of rock, coral, etc. lying at or very close to the surface of the sea, just offshore; BAR1 applies to a ridge of sand, etc. silted up across the mouth of a river or harbor and hindering navigation
English World dictionary. V. Neufeldt. 2014.