adv. On or upon this; hereupon. [ 1913 Webster ]
adv. [ AS. &unr_;&unr_;ron. See There, and On. ] On that or this. Chaucer. [ 1913 Webster ]
Then the king said, Hang him thereon. Esther vii. 9. [ 1913 Webster ]
adv. [ 1913 Webster ]
O fair foundation laid whereon to build. Milton. [ 1913 Webster ]