The headword is masculine nominative plural of this adjective, presumably quoted from somewhere. (Hesychius glosses it in different words but along the same substantive lines.)
[1] This gloss treats the word in its metaphorical sense; it also meant literally things that fitted; cf. alpha 3976, and see LSJ s.v. (web address 1).
[2] (cf. epsilon 1384.) At alpha 493 we have been told that the songs are easy. For the discussion whether skolia were difficult or not, see LSJ s.v. sko/lion (web address 2).
[3] See Thucydides 1.20.2 (web address 3).