Webster's Revised Unabridged Dictionary · 1913

fleer

fleer (flē"ẽr) , noun

One who flees. — Ld. Berners

fleer (flēr) , imperfect and past participle

[Old English flerien; compare Scot. fleyr, Norw. flira to titter, giggle, laugh at nothing, Middle High German vlerre, vlarre, a wide wound.]

1.
To make a wry face in contempt, or to grin in scorn; to deride; to sneer; to mock; to gibe; as, to fleer and flout.
To fleer and scorn at our solemnity. — Shakespeare
2.
To grin with an air of civility; to leer. [Obsolete]
Grinning and fleering as though they went to a bear baiting. — Latimer

Fleer , transitive verb

To mock; to flout at. — Beau. & Fl

Fleer , noun

1.
A word or look of derision or mockery.
And mark the fleers, the gibes, and notable scorn. — Shakespeare
2.
A grin of civility; a leer. [Obsolete]
A sly, treacherous fleer on the face of deceivers. — South