1. grad(n = noun.quantity) grade - one-hundredth of a right angle;
is a kind of angular unit
is a part of right angle
2. grad(n = noun.person) alum, alumna, alumnus, graduate - a person who has received a degree from a school (high school or college or university);
is a kind of bookman, scholar, scholarly person, student
has particulars: ivy leaguer, old boy
grad, n. colloq. = GRADUATE n. 1.
Etymology:
abbr.