/ Dictionary / Index P pet sitting: Meaning and Definition of Find definitions for: pet' sit"ting Pronunciation: [key] the act of caring for a pet in its own home while the owner is away. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PET scanner petti Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language