buoy has definitions from the field of nautical
1
[ verb ] mark with a buoy

Related terms

mark

2
[ verb ] keep afloat

Synonyms

buoy_up

Examples

: "The life vest buoyed him up"

Related terms

hold

3
[ verb ] float on the surface of water

Related terms

float

4
[ noun ] (nautical) bright-colored; a float attached by rope to the seabed to mark channels in a harbor or underwater hazards
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