upon
1. up.on \*-'po.n, -'pa:n, -(.)p*n\ pp : ON 2. up.on \*-'po.n, -'pa:n\ av obs 1: on it : on one obs 2: THEREON
Webster's English Dictionary Webster's English Dictionary1. up.on \*-'po.n, -'pa:n, -(.)p*n\ pp : ON 2. up.on \*-'po.n, -'pa:n\ av obs 1: on it : on one obs 2: THEREON