"dating" in the noun sense
1. dating, geological dating
use of chemical analysis to estimate the age of geological specimens
"dating" in the verb sense
go on a date with
"Tonight she is dating a former high school sweetheart"
2. date, date stamp
stamp with a date
"The package is dated November 24"
assign a date to determine the (probable) date of
"Scientists often cannot date precisely archeological or prehistorical findings"
4. go steady, go out, date, see
date regularly have a steady relationship with
"Did you know that she is seeing an older man?"
"He is dating his former wife again!"
provide with a dateline mark with a date
"She wrote the letter on Monday but she dated it Saturday so as not to reveal that she procrastinated"
Source: WordNet® (An amazing lexical database of English)
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