(architecture) a bridge in which the horizontal deck is suspended from a reverse catenary to counteract bending

Religious instruction given orally to catechumens.

To give oral instruction, especially of religion; (specifically) by the formal question-and-answer method; in the Church of England and Roman Catholic Church, to teach the catechism as preparation for confirmation.

(US, Canada) Of or pertaining to something at a diagonal to another; of four corners, those diagonal to another.

(US, Canada) Diagonally across from.

(Christianity) One who practices catechesis, i.e., catechizes catechumens; a teacher who instructs students in the doctrines of a particular Christian denomination typically in preparation for confirmation.

(graph theory) A tree consisting of only a path (the spine or stalk of the tree) and vertices directly connected to (i.e. one edge away from) that path; a tree whose vertices with a degree of at least 3 are all surrounded by at most two vertices of degree two or greater.

plural of catechist

Absolute; having no exception. / Of, pertaining to, or using a category or categories.

(logic) A categorical proposition.