OBTURATION
Ob`tu*ra"tion, n. Etym: [L. obturare to stop up: cf.F. obturation.]

Defn: The act of stopping up, or closing, an opening. "Deaf by an outward obturation." Bp. Hall.

OBTURATOR Ob"tu*ra`tor, n. Etym: [NL., fr. L. obturare to stop up: cf.F. obturateur.]

1. That which closes or stops an opening.

2. (Surg.)

Defn: An apparatus designed to close an unnatural opening, as a fissure of the palate.

OBTURATOR
Ob"tu*ra`tor, a. (Anat.)

Defn: Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve. Obturator foramen (Anat.), an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen.

OBTUSANGULAR
Ob*tus"an`gu*lar, a.

Defn: See Obstuseangular.