D defs.my
Entry 1 sense Webster, 1913

Obturate

· Ob·tu·rate · IPA
01 v. t. To stop or close, as an opening;
imp. & p. p. Obturated; p. pr. & vb. n. Obturating
  1. 1.
    To stop or close, as an opening;(Ordnance)