handlock

Từ điển WordNet v3.1 - WordNet Dictionary

noun

shackle that consists of a metal loop that can be locked around the wrist;
usually used in pairs
• Syn:
handcuff, cuff, manacle
• Derivationally related forms:
manacle (for: manacle), cuff (for: cuff), handcuff (for: handcuff)
• Hypernyms:
shackle, bond, hamper, trammel