shoal

Sandbar or school

A shoal is a shallow area in a body of water, where the bottom rises near the surface and may pose a hazard to boats: The ship ran aground on a shoal.

Shoal also names a large group of fish swimming together, synonymous with school: A shoal of mackerel darkened the water.

As an adjective, shoal means shallow: shoal waters.

sandbar

Underwater ridge of sediment

shallowsAreas of little depth
bankPlace holding deposits
spitExpelled mouth moisture

bar · ridge · flats · mudflat · sediment · silt · deposit · delta · channel · reef

crowd

throng

Dense pressing crowd

multitudeVery large number
hordeDisorganized, overwhelming crowd
mobDisorderly, aggressive crowd

swarm · flock · herd · pack · mass · gathering · cluster · assembly · congregation · concourse

coastal

estuary

Tidal mixing zone

tidepoolCoastal rock hollow holding seawater
intertidalZone between high and low watermarks
littoralRelating to seashores

foreshore · brackish · mangrove · seagrass · lagoon · inlet · cove · bay · saltmarsh · wetland

school

swarm

Mass of moving insects

herringSmall silvery Atlantic fish
sardineSmall herring-family fish
anchovySmall, salty forage fish

mackerel · tuna · salmon · minnow · shad · grouper · barracuda · migration · feeding · frenzy

shallowing

Decreasing in depth

shelvingHorizontal storage surfaces
gradingAssigning marks to work
depthDistance below surface

chart · soundings · fathom · draft · keel · aground · warning · approach · harbor · estuary

shoal

sandbar

throng

estuary

swarm

shallowing

shoal

Opposites

Phrases

Categories

Family