noun
hand gaff; short gaff; hook on a wooden handle
A fishing tool consisting of a large hook attached to a short wooden handle, used to land large fish.
大物を釣り上げるときは、手鉤を使って船に引き上げる。
When landing a big catch, they use a hand gaff to haul it aboard.
Compound of 手 (hand) and 鉤 (hook). The exact historical derivation is uncertain, but the word straightforwardly describes a hand-held hook.