Class /(klȧs)/

Class

n.
  1. A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes.
  2. A number of students in a school or college, of the same standing, or pursuing the same studies.
  3. A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.
  4. A set; a kind or description, species or variety.
    She had lost one class energies.
  5. One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader. (Methodist Church)
  6. One session of formal instruction in which one or more teachers instruct a group on some subject. The class may be one of a course of classes, or a single special session.
  7. A high degree of elegance, in dress or behavior; the quality of bearing oneself with dignity, grace, and social adeptness.

Phrases & Compounds
Class of a curve
the kind of a curve as expressed by the number of tangents that can be drawn from any point to the curve. A circle is of the second class.
Class meeting
a meeting of a class under the charge of a class leader, for counsel and relegious instruction.

Class

v. t.

imp. & p. p. Classed; p. pr. & vb. n. Classing

  1. To arrange in classes; to classify or refer to some class; as, to class words or passages.
  2. To divide into classes, as students; to form into, or place in, a class or classes.

Class

v. i.
  1. To be grouped or classed.
    The genus or family under which it classes.
    — Tatham.

Class

a.
  1. exhibiting refinement and high character; as, a class act. Opposite of low-class [informal]