Citations:oar-lap

Noun: a rabbit with its ears standing out at right angles to the head

 * 1900,, The Variation of Animals and Plants Under Domestication
 * When one parent, or even both, are oar-laps, that is, have their ears sticking out at right angles, or when one parent or both are half-lops, that is, have only one ear dependent, there is nearly as good a chance of the progeny having both ears full-lop, as if both parents had been thus characterized.