lobe Meaning, Definition & Usage

noun (anatomy) a somewhat rounded subdivision of a bodily organ or part
- ear lobe
noun (botany) a part into which a leaf is divided
noun the enhanced response of an antenna in a given direction as indicated by a loop in its radiation pattern
noun a rounded projection that is part of a larger structure

F. lobe, Gr. .

Any projection or division, especially one of a somewhat rounded form; as: (a) (Bot.) A rounded projection or division of a leaf. Gray. (b)(Zoöl.) A membranous flap on the sides of the toes of certain birds, as the coot. (c) (Anat.) A round projecting part of an organ, as of the liver, lungs, brain, etc. See Illust. of Brain. (b) (Mach.) The projecting part of a cam wheel or of a non-circular gear wheel. = earlobe