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 PDF — $25 ← lobby lobster → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant