lobe

noun

1. (anatomy) a somewhat rounded subdivision of a bodily organ or part

- ear lobe

Definition categories: body

2. (botany) a part into which a leaf is divided

Definition categories: plant

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

Definition categories: communication, loop

4. a rounded projection that is part of a larger structure

Definition categories: man–made, projection