noun a flat-faced fulling hammer.
2. flatter ·vi to use flattery or insincere praise.
3. flatter ·noun one who, or that which, makes flat or flattens.
4. flatter ·vt to portray too favorably; to give a too favorable idea of; as, his portrait flatters him.
5. flatter ·noun a drawplate with a narrow, rectangular orifice, for drawing flat strips, as watch springs, ·etc.
6. flatter ·vt to raise hopes in; to encourage or favorable, but sometimes unfounded or deceitful, representations.
7. flatter ·vt to treat with praise or blandishments; to gratify or attempt to gratify the self-love or vanity of, ·esp. by artful and interested commendation or attentions; to blandish; to cajole; to wheedle.