noun
box trap; cage trap
A trap consisting of a box or cage that captures animals alive, used in hunting, pest control, or wildlife research.
山で箱罠を仕掛けてイノシシを捕まえた。
We set a box trap in the mountains and caught a wild boar.
箱罠は動物を傷つけずに捕獲できる。
A box trap can capture animals without harming them.
Compound of 箱 (hako, 'box') and 罠 (wana, 'trap'). The reading はこわな reflects rendaku (sequential voicing) on わな.