крышкаoperculum [i, n]
многоугольникpolygonum [i, n]
кружитьcircumagere, o [e]gi,
sector [oris, m];sectio [onis, f];pars [partis, f];area [ae, f] circumscripta, regio [onis, f] definita, campus [i, m];provincia [ae, f];