also: トビぐち · トビグチ
noun
fire hook; firefighter's hook
A long pole with a hook used by firefighters to pull down burning structures or clear debris.
消防士が鳶口を使って燃えている屋根を引き倒した。
The firefighter used a fire hook to pull down the burning roof.
Compound of 鳶 (tobi, 'kite' bird) and 口 (kuchi, 'mouth'), referring to the hook's shape resembling a bird's beak. The exact historical derivation is uncertain.