GRE lobe Definition A rounded projection or division of an organ, such as the ear or brain. Example "She pierced the lobe of her ear." Sign in to save GRE Quiz → ← lobby lobster → Study tips featuring "lobe" Write GRE Words Into Your Own Sentences Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct