a. [ L. aequabilis, fr. aequare to make level or equal, fr. aequus even, equal. See Equal. ] 1. Equal and uniform; continuing the same at different times; -- said of motion, and the like; uniform in surface; smooth; as, an equable plain or globe. [ 1913 Webster ]

2. Uniform in action or intensity; not variable or changing; -- said of the feelings or temper. [ 1913 Webster ]

n. Quality or state of being equable. [ 1913 Webster ]