Dictionary
22 ENTRIES FOUND:

1buoy

noun \ˈbü-ē, ˈbi\

: an object that floats on water in a lake, bay, river, etc., to show areas that are safe or dangerous for boats

Full Definition of BUOY

1
:  float 2; especially :  a floating object moored to the bottom to mark a channel or something (as a shoal) lying under the water
2
:  life buoy

Illustration of BUOY

Origin of BUOY

Middle English boye, probably from Middle Dutch boeye; akin to Old High German bouhhan sign — more at beacon
First Known Use: 13th century

2buoy

verb

: to cause (someone) to feel happy or confident

: to lift or improve (something)

Full Definition of BUOY

transitive verb
1
:  to mark by or as if by a buoy
2
a :  to keep afloat
b :  support, uplift <an economy buoyed by the dramatic postwar growth of industry — Time>
3
:  to raise the spirits of —usually used with up <hope buoys him up>
intransitive verb
:  float —usually used with up

Examples of BUOY

  1. The tax breaks should help to buoy the economy.

First Known Use of BUOY

1596

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