scoffer
Concise Oxford English Dictionary © 2008 Oxford University Press:
scoff1
▶verb speak about something in a scornfully derisive way. ▶noun an expression of scornful derision.
■ archaic an object of ridicule.
– derivatives
scoffer noun,
scoffing adjective,
scoffingly adverb.
scoffer noun,
scoffing adjective,
scoffingly adverb.
– origin ME: perh. of Scand. origin.
Concise Oxford English Dictionary © 2008 Oxford University Press:
scoff2 informal
▶verb eat quickly and greedily. ▶noun food.
– origin C18: v. orig. a var. of Scots and dial. scaff; n. from Afrik. schoff, representing Du. schoft ‘quarter of a day, meal’.
'scoffer' also found in these Oxford entries:

