dating (Noun) — Use of chemical analysis to estimate the age of geological specimens.
dating (Noun) — A form of regular romantic courtship between two individuals. ex. "It was a couple of years before he even started dating again"
dating (Verb) — Meet with a lover or potential lover. ex. "Tonight she is dating a former high school sweetheart"
dating (Verb) — Stamp with a date. ex. "The package is dated November 24"
dating (Verb) — Assign a date to; determine the (probable) date of. ex. "Scientists often cannot date precisely archeological or prehistorical findings"
dating (Verb) — Date regularly; have a steady relationship with. ex. "He is dating his former wife again!"
dating (Verb) — Provide with a dateline; mark with a date. ex. "She wrote the letter on Monday but she dated it Saturday so as not to reveal that she procrastinated"