275 did stir to glee our lads in homely bowers:

glee > delight bowers > rooms, chambers

276 So might you now, in these refined lays, 277 delight the dainty ears of higher powers. 278 And so might they in their deep scanning skill

scanning skill > ability to understand [poetry]

279 Allow and grace our Colin's flowing quill. 280 281 And fair befall that Faery Queen of yours,

fair > [fair fortune]

282 in whose fair eyes love linked with virtue sits: 283 Infusing by those beauties fierce divine,

divine > [and divine]

284 Such high conceits into your humble wits,

conceits > ideas