[oblit.er.ate] vt -at.ed ; -at.ing [L oblitteratus, pp. of oblitterare, fr. ob- ob- + littera letter] (1609) 1: to make undecipher able or imperceptible by obscuring or wearing away
2. a: to remove utterly from recognition or memory b: to remove from existence: destroy utterly all trace, indication, or significance of c: to cause to disappear (as a bodily part or a scar) or collapse (as a duct conveying body fluid): remove
4. "a blood vessel obliterated by inflammation"
3: cancel
4. -- oblit.er.a.tion n -- oblit.er.a.tor n