پي pai P s. m. 1. (Sans. पाद) The foot. پي آنا pai ānā, To have a splint (a horse). پي کرنا pai karnā, To plague, to seize, to be importunate. 2. A nerve, tendon, sinew. 3. adv. Behind, after, following, therefore, in pur- suit, by reason, on account. پي به پي pai-ba- pai, or پي درپي pai-dar-pai, adv. One after another, successively.