Meaning
BUOY, v.t. To keep afloat in a fluid; to bear up, or keep from sinking in a fluid, as in water or air; with up.
1. To support,or sustain; to keep from sinking into ruin or despondency.
2. To fix buoys, as a direction to mariners.
BUOY, v.i. To float; to rise by specific lightness.