Lexical Definition

‎מָרָא‎ mârâʼ (maw-raw') to flap ^H:V
a primitive root

be filthy, lift up self.

• to rebel
• hence (through the idea of maltreating) to whip, i.e. lash (self with wings, as the ostrich in running)

1) (Hiphil) to beat (the air), flap (the wings)
1a) meaning dubious
2) (Qal) filthy

See Greek: πικρία · ὑψόω

Brown-Driver-Briggs

I. [‎מָרָא‎] verb only Hiph`il Imperfect 3 feminine singular: meaning dubious, perhaps beat the air, or flap the wings, compare Di De (and Wetzst in De), Bu Du (compare Arabic whip, urge on a horse ?); — ‎תַּמְרִ֑יא תִּשְׂחָק‎ ‎לַסּוּם וּלְדֹבְ˜בוֺ׃‎ Job 39:18 she (the ostrich) flaps away, she laughs at the horse and his rider.

Brown-Driver-Briggs References