occupying a socioeconomic position intermediate between those of the lower classes and the wealthy
coming next after the second and just before the fourth in position
a collection of things sharing a common attribute
a body of students who are taught together
one of three equal parts of a divisible whole
people having the same social, economic, or educational status
the fielding position of the player on a baseball team who is stationed near the third of the bases in the infield (counting counterclockwise from home plate)
education imparted in a series of lessons or meetings
