encincture

[en-singk-cher]
verb (used with object), en·cinc·tured, en·cinc·tur·ing,
  1. to gird or encompass with or as with a belt or girdle: A ring of hills encinctures the town.

Origin of encincture

First recorded in 1805–15; en-1 + cincture
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018