swim ring; life buoy
A ring-shaped flotation device used for play in water or as a safety aid.
The children are playing in the pool with swim rings.
船には浮き輪が備え付けられている。
A life buoy is equipped on the boat.
浮き輪 is an inflatable swim ring, unrelated in meaning to 浮き彫り despite sharing the kanji 浮き.
Standard kanji spelling.
Variant spelling without okurigana.
Rarely used kanji form.
Compound of 浮き (uki, 'floating') + 輪 (wa, 'ring').