括約

括约
kuòyuē
  1. (medicine, of a circular muscle) to act as a sphincter on a body passage or orifice
  2. to act as a sphincter on a body passage or orifice

Wiktionary

Entry Composition

1 括 kuò
  1. (bound form) to tie up; to tighten up
  2. (bound form) to include; to comprise
  3. to put (text) in brackets
  4. Taiwan pr. guā
=2 約 yāo to weigh in a balance or on a scale
=2 約 yuē
  1. to make an appointment
  2. to invite
  3. approximately
  4. pact
  5. treaty
  6. to economize
  7. to restrict
  8. to reduce (a fraction)
  9. concise

Containing this entry

括約肌 kuòyuējī sphincter