Lobe (?), n. [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)
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. See. Illust. of Ear.<-- = earlobe -->
© Webster 1913.