noun
Refers to a removable cover for a container, pot, box, or opening.
鍋の蓋を開けて、中を確認した。
I opened the lid of the pot and checked inside.
この瓶の蓋は固くて開かない。
The cap on this bottle is tight and won't open.
Native Japanese word. The kanji 蓋 is used for its meaning 'cover, lid'.