handcuffs

Short definition from Wiktionary

Noun

1. 1
   A fastening consisting of two metal rings, designed to go around a person's wrists, and connected by a chain or hinge.
2. 2
   Any abstract constraint, such as rules, regulations, or lack of resources.
3. 3
   plural of handcuff

Verb

1. 1
   third-person singular simple present indicative of handcuff