【建筑】用于门扇（侧面）的钩形扣

off-hook

reed blade (reed dent, reed hook)

Hook.f. Iridaceae;

lacing-hook (hook for laces)

Philonotis falcata (Hook) Mitt.

Fissistigma polyanthum (Hook. f. et Thomas) Merr.

Jubula hutchinsiae (Hook.) Dum

Matteuccia orientalis (Hook.) Trev.