fledge
US
UK fledge vi: (bird: acquire feathers) (鸟)
SC 长羽毛，羽毛丰满起来 cháng yǔ máo，yǔ máo fēng mǎn qǐ lái
The nestlings fledge after about six weeks.
fledge [sth], fletch [sth] vtr: (arrows: feather) (在箭上)
SC 装羽毛 zhuāng yǔ máo
TC 裝羽毛
TC 裝羽毛
Fledge the arrows carefully or they won't fly straight.