Meaning of underpart

un•der•part

Pronunciation: (un'dur-pärt"), [key]
— n.
  1. the lower part or side: The underpart of the plane's fuselage scraped the treetops.
  2. an auxiliary or secondary part or role.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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