/ Dictionary / Index S subsection: Meaning and Definition of Find definitions for: sub•sec•tion Pronunciation: (sub-sek'shun, sub'sek"-), [key] — n. a part or division of a section. —v.t. to divide or partition into subsections. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subsection (Thesaurus) subsecretariat subsegment Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language