Cotton (the textile material made from cotton fibers); cotton fabric.
これは木綿のシャツです。
This is a cotton shirt.
木綿の布は吸水性が良く、洗濯にも強い。
Cotton fabric absorbs well and stands up to washing.
夏は木綿の服が涼しくて快適だ。
Cotton clothing is cool and comfortable in summer.
The red silk-cotton tree (Bombax ceiba); the plant referred to as 'kiwata' (often written in kana).
植物園で木綿の木を見た。
I saw a silk-cotton tree at the botanical garden.
パンヤの木は東南アジアでよく見られる木綿の一種だ。
The panja tree is a type of silk-cotton commonly seen in Southeast Asia.