in architecture, is a system of the several members, ornaments, and proportions of columns and pilasters; or a regular arrangement of the projecting parts of a building, especially the column, so as to form one beautiful whole. See Architecture.

Order is also used for a division or class of anything; thus, the tribe of animals called birds is subdivided into six orders. See Natural History, and Botany.

Holy orders, a character peculiar to ecclesiastics, whereby they are set apart for the ministry. See Ordination.

Military orders, are companies of knights, instituted by kings and princes; either for defence of the faith, or to confer marks of honour, and make distinctions among their subjects.

Religious orders, are congregations or societies of monastics, living under the same superior, in the same manner, and wearing the same habit.