"lobe" in the noun sense
1. lobe
anatomy) a somewhat rounded subdivision of a bodily organ or part
"ear lobe"
2. lobe
botany) a part into which a leaf is divided
3. lobe
the enhanced response of an antenna in a given direction as indicated by a loop in its radiation pattern
4. lobe
a rounded projection that is part of a larger structure
Source: WordNet® (An amazing lexical database of English)
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