Meaning of pentomic

pen•tom•ic

Pronunciation: (pen-tom'ik), [key]
— adj. Mil.
  1. pertaining to or characterizing the organization of an army division into five groups, each with supporting units, geared to maneuver in keeping with the requirements of atomic warfare.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.