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

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



: to cause (someone) to feel happy or confident

: to lift or improve (something)

Full Definition of BUOY

transitive verb
:  to mark by or as if by a buoy
a :  to keep afloat
b :  support, uplift <an economy buoyed by the dramatic postwar growth of industry — Time>
:  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

May 24, 2015
erudite Hear it
learned or pedantic
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