What is the meaning of Tenour?

Archaic spelling of tenor.

The (primary) intended message or purpose of something

The tone or character of something; the tenor of something; the usual mode of life.

The relevant and purposeful content of a directive.

An abstract; a summation of a document or directive.

The primary musical section (tending to be the tenor)

Constancy or permanence of effect or direction.

A pitch as a basis for finding out pitch difference.

Something's vocal or musical characteristics.

Alternative form of tenor (possessor)

Alternative form of teneure (tenure)

Source: wiktionary.org