Definitions
1.Adjectivecomparative form of flat: more flat
2.VerbTo compliment someone, often (but not necessarily) insincerely and sometimes to win favour.
3.VerbTo enhance or gratify someone's vanity by praising them.
4.VerbTo portray someone to advantage."Her portrait flatters her."
5.VerbTo encourage or cheer someone with (usually false) hope.
6.VerbTo cheer or please (with the idea that); congratulate oneself, especially when the perception is false."Before the results came out, I flattered myself that I had done well on the test. It turned out I was the worst in the class!"
7.VerbIn phrasal verb "to flatter with": to encourage, inspire with hope.
8.NounA type of set tool used by blacksmiths.
9.NounA flat-faced fulling hammer.
10.NounA drawplate with a narrow, rectangular orifice, for drawing flat strips such as watch springs.
11.NounSomeone who flattens, purposely or accidentally. Also flattener.
12.NounSomeone who lives in a rented flat.