| 释义 | 
		gral·lae \ˈgraˌlē\ noun plural Usage: capitalized Etymology: New Latin, from Latin, stilts, from gradi to step, go — more at grade 1. in former classifications  : an order of birds including all the wading birds 2. in former classifications  : a group of birds variously limited: as  a.  : charadrii  b.  : gruiformes  c.  : Charadrii and Gruiformes |