Wiktionary
vb. To rise up, especially an animal like a horse rising up on its rear legs.
Usage examples of "rear up".
But his tormentor laughed for answer, and smote the mule again, a blow this time that almost caused it to rear up.
But this morning I had been up before he was himself, I only saw his head rear up from that sofa after I'd been at the window for some time.
Then I had the waters go cobalt beneath me, rear up and shake sparkly beards.
Enyhow, we swung wide, a'right, and come back hell-fer-leather and we 'uz ackshuly close enough to of pistoled the damn bastids and nex thing I knowed ole Trixie my mare come to rear up and I could feel she's gonna fall and 'fore I could pull leather, she'uz down top o' the mosta me and the onlies' reason this ole boy's still a-kickin' is a-cause the groun' was so fuckin' soft.
The scent of the detested steel would make her rear up, growling terrific threats, if he attempted to come too near.
I saw something tawny streak through the grass, then rear up, screaming, clawed paws raised, lips drawn back from huge curved teeth.
He had all flaps down now, and the whole plane shivered and seemed for a moment to rear up, its enormous wings heaving with the strain.
I felt like a hunter who has tracked a swamp panther a little too close for comfort, and expects at any moment to see it rear up out of the swamp in all its fanged and tendril-maned horror.
She believed that she owned the other half of his heart, but whenever he started to go with it, to forget the past and immerse himself in the here and now, the ghost would rear up and he’.
Ropes snaked down into the waters as the other boats hastily cut their anchors to flee, sails flapping frantically as the mighty shape dived back into the water, only to rear up once more between the ships and the safety of the open sea.
Enyhow, we swung wide, a'right, and come back hell-fer-leather and we'uz ackshuly close enough to of pistoled the damn bastids and nex thing I knowed ole Trixie my mare come to rear up and I could feel she's gonna fall and 'fore I could pull leather, she'uz down top o' the mosta me and the onlies' reason this ole boy's still a-kickin' is a-cause the groun' was so fuckin' soft.