a number or letter indicating quality (especially of a student's performance); "she made good marks in algebra"; "grade A milk"; "what was your score on your homework?"
an evaluation by a rating company of the probability that a particular bond issue will default; "the bonds of highest quality are said to have bond ratings of AAA"
the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"