(US, education) In colleges and universities, a day of the commencement season on which the senior class celebrates the completion of its course by exercises conducted by the members, such as the reading of the class histories and poem, the delivery of the class oration, the planting of the class ivy, etc.

plural of clash gear

A change-speed gear in which the gears are changed by sliding endwise.

(programming) Structured by defining classes of objects. / (Marxism) Based on social class. / Learning delivered in a class either online or in a classroom.

plural of class action

plural of Class Day

(sociology) The social class of a given society that controls that society's political agenda, whether as formal aristocracy or party leadership or as an informal unit within democracies.

blood cockle

(music) The style of popular vocal blues performed by women in the early 20th century.

(mycology) A structure formed in the hyphae of some basidiomycetes that ensures genetic variation among hyphal cells.