Artificial intelligent assistant

embowment

emˈbowment arch.
  [f. embow v. + -ment.]
  Vaulting.

1626 Bacon Sylva §249 The Roofe all open, not so much as any Embowment neere any of the walls left. 1919 T. Hardy Coll. Poems 54 O for..Light to gaily See thy daily Iris-hued embowment!

Oxford English Dictionary

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