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Webster 1828 Edition

coarct ‎(third-person singular simple present coarcts, present participle coarcting, simple past and past participle coarcted)

To coarctate.
- 1995, Neal Stephenson, The Diamond Age, Bantam Books 2008, page 35:
  All the other thetes, coarcted into the tacky little claves belonging to their synthetic phyles, […]
a coarcted aorta