mainland

(Ontario Place) terre ferme R.R.O. 1980, Reg. 732; 2(7)(f)

main sewer

égout collecteur R.S.O. 1990, c. L.26; 3(1)

main panel

(of a label) face principale O. Reg. 399/82; 6(a)

main pipe

(waterworks) conduite principale R.S.O. 1990, c. P.52; 6(1)

main office

bureau principal R.S.O. 1990, c. R.4; 4(1)

main grounding

(lightning rod) mise à terre principale R.R.O. 1980, Reg. 577; 1(t)

main event

title fight or main event (boxing)combat de championnat ou attraction principale R.R.O. 1990, Reg. 52; 58(a)

main equipment

main automatic tabulating equipmentmatériel de tabulation automatique principal R.R.O. 1980, Reg. 682; 15

main channel

(of St. Lawrence River) chenal principal R.S.O. 1990, c. T.5; 7

main entrance

(of a building) entrée principale R.S.O. 1990, c. A.26; 11(3)(e)(iii)