(mathematics) The median of the upper or highest half of a data set, especially of a sample, population, or probability distribution.

plural of upper quartile

A person who engages in swan upping.

(transitive, idiomatic) To promote (an employee considered troublesome) to a position of lesser influence, but of apparently higher status.

(idiomatic) Illuminate to the understanding; make intelligible; clarify or explain (something unknown).

(idiomatic) Alternative form of look down on

Alternative form of keep one's head

(botany) That part of a leaf and petiole that grows from an apical meristem.

(idiomatic, formal) Alternative form of wait on hand and foot

(historical) A former British colony located in what is now southern Ontario.