Lobe n. Any projection or division, especially one of a somewhat rounded form; as: (a) Bot. A rounded projection or division of a leaf. --Gray. (b)Zool. 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.
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Lob·ule, n. A small lobe; a subdivision of a lobe.
Lobule of the ear. Anat. Same as Lobe of the ear.
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