Webster’s Revised Unabridged Dictionary · 1913
Volvulus
Vol′vu·lus (·vū·lŭs), n. [NL., fr. L. volvere to turn about, to roll.] (Med.) (a) The spasmodic contraction of the intestines which causes colic. (b) Any twisting or displacement of the intestines causing obstruction; ileus. See Ileus.