Lobe(lb), n. [F. lobe, Gr. lobo`s.] Any projection or division, especially one of a somewhat rounded form; as: (a) (Bot.) A rounded projection or division of a leaf. Gray. (b)(Zol.) 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.
Lobe of the ear, the soft, fleshy prominence in which the human ear terminates below, also called the
earlobe. See. Illust. of Ear.
[1913 Webster +PJC]
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Wed 19th December 2018