Sentence:  ... it seemes a holy quire / Founded to th' name of great Apollo's lyre, / Whose silver-roofe rings with the sprightly notes / Of sweet-<WSD>lipp'd</WSD> angel-imps, that swill their throats / In creame of morning Helicon ... 
Meaning of the word marked with <WSD> tags:  (in combination) Having some specific type of lip.