buoy

1 buoy /ˈbuːwi/ /ˈboɪ/ noun
plural buoys
1 buoy
/ˈbuːwi/ /ˈboɪ/
noun
plural buoys
Britannica Dictionary definition of BUOY
[count]
: an object that floats on water in a lake, bay, river, etc., to show areas that are safe or dangerous for boats — see also life buoy
2 buoy /ˈbuːwi/ /ˈboɪ/ verb
buoys; buoyed; buoying
2 buoy
/ˈbuːwi/ /ˈboɪ/
verb
buoys; buoyed; buoying
Britannica Dictionary definition of BUOY
[+ object]
1 
: to cause (someone) to feel happy or confident — usually used as (be) buoyed
— often + up
2 
: to lift or improve (something) — usually used as (be) buoyed
— often + up