Noun
a rounded projection that is part of a larger structure

Noun
(anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe"

Noun
the enhanced response of an antenna in a given direction as indicated by a loop in its radiation pattern

Noun
(botany) a part into which a leaf is divided

n.
Any projection or division, especially one of a somewhat rounded form

n.
A rounded projection or division of a leaf.

n.
A membranous flap on the sides of the toes of certain birds, as the coot.

n.
A round projecting part of an organ, as of the liver, lungs, brain, etc. See Illust. of Brain.

n.
The projecting part of a cam wheel or of a non-circular gear wheel.

Lobe

Any projection or division, especially one of a somewhat rounded form