[frown] vb [ME frounen, fr. MF froigner to snort, frown, of Celt origin; akin to W ffroen nostril, OIr sron nose] vi (14c) 1: to contract the brow in displeasure or concentration
2: to give evidence of displeasure or disapproval by or as if by facial expression "critics ~ on the idea" ~ vt: to sh ow displeasure with or disapproval of esp. by facial expression -- frown.er n -- frown.ing.ly adv
[2]frown n (1581) 1: an expression of displeasure
2: a wrinkling of the brow in displeasure or concentration