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plural classes
Definition of class
(Entry 1 of 2)
1a : a body of students meeting regularly to study the same subject
Several students in the class are absent today.
b : the period during which such a body meets
c : a course of instruction
is doing well in her algebra class
d : a body of students or alumni whose year of graduation is the same
donated by the class of 1995
2a : a group sharing the same economic or social status
the working class
b : social rank especially : high social rank the classes as opposed to the masses
c : high quality : elegance a hotel with class
3 : a group, set, or kind sharing common attributes: such as
a : a major category in biological taxonomy ranking above the order and below the phylum or division
b : a collection of adjacent and discrete or continuous values of a random variable
c : a collection of elements (such as numbers or points) : set sense 21
d : a property of a geometric curve that is equal to the number of tangents that can be drawn to it through any point not on the curve
A curve is said to be of the nth degree or order when any right line meets it in n points and of the nth class when n tangents can be drawn to it through any assumed point.— George Salmon
4 : a division or rating based on grade or quality
a class B movie
5 : the best of its kind
the class of the league
6 : a data type in object-oriented programming that consists of a group of objects (see object entry 1 sense 6a) with the same properties and behaviors and that can be arranged in a hierarchy with other such data types
class
verbclassed; classing; classes
Definition of class (Entry 2 of 2)
: classify She was classed as a part-time worker.
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Time Traveler for class
The first known use of class was in 1583
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