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1. A float placed in water and usually moored, as to mark a location, enable retrieval of a sunken object, or record oceanographic data.
2. A life buoy.
tr.v. buoyed, buoy·ing, buoys
1. To keep afloat or aloft: a glider buoyed by air currents.
a. To maintain at a high level; support: "the persistent ... takeover speculation, which has buoyed up the shares of banks" (Financial Times).
b. To hearten or inspire; uplift: "buoyed up by the team spirit and the pride of the older generation back at home" (Judith Martin).
3. To mark with or as if with a buoy.
[Middle English boie, from Old French boue, probably of Germanic origin; see bhā- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Shaped and colored floats, anchored to the seabed, to indicate channels, obstructions, or moorings.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited