Lewis & Short

1. insĭtor, ōris, m. [1. insero], an ingrafter, grafter, Prop. 4 (5), 2, 17; Plin. 18, 33, 76, § 329.

2. Insĭtor, ōris, m., the god that presides over grafting, Serv. ad Verg. G. 1, 21.