A small round pocket of air or foamy mass formed on the surface of a liquid; foam, froth, or suds (e.g., soap bubbles, beer head). Can be read as 'awa' or 'abuku' in some contexts.
洗面台に泡がたくさん残っている。
There are a lot of suds left in the sink.
ビールの泡がきめ細かくておいしそうだ。
The beer has a fine head of foam and looks tasty.
石鹸で手を洗うと白い泡が立つ。
When you wash your hands with soap, white bubbles form.
海の泡が岸に打ち寄せる音を聞いた。
I heard the sound of sea foam washing up on the shore.