fledge

vt. 喂养, 用羽毛盖上, 装上羽毛
vi. 长羽毛

动词过去式:fledged 过去分词:fledged 现在分词:fledging 第三人称单数:fledges 

fledge

v.（动词）
fledged,fledg.ing,fledg.es
v.tr.（及物动词）
To take care of (a young bird) until it is ready to fly.
羽毛长成：照管（幼鸟）直到其能够飞行
To cover with or as if with feathers.
用羽毛覆盖：用或象用羽毛覆盖
To provide (an arrow) with feathers.
把羽毛装在（箭）上
v.intr.（不及物动词）
To grow the plumage necessary for flight.
羽翼丰满：长齐飞行所必需的羽毛

来源：
Probably from obsolete fledge [feathered]
可能源自 废语 fledge [有羽毛的]
from Middle English flegge
源自 中古英语 flegge
from Old English *flycge * see pleu-
源自 古英语 *flycge *参见 pleu-