That which accompanies; something that attends as a circumstance, or which is added to give greater completeness to the principal thing, or by way of ornament, or for the sake of symmetry.
A part, usually performed by instruments, that gives support or adds to the background in music, or adds for ornamentation; also, the harmony of a figured bass.
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.
Of or relating to the grammatical aspect which expresses that a secondary action is occurring simultaneously to the primary action of the statement.
Accompanying; conjoining; attending; concurrent.