What is the meaning of Concomitant?

Accompanying; conjoining; attending; concurrent.

Of or relating to the grammatical aspect which expresses that a secondary action is occurring simultaneously to the primary action of the statement.

Something happening or existing at the same time.

An invariant homogeneous polynomial in the coefficients of a form, a covariant variable, and a contravariant variable.

concomitant

Source: wiktionary.org