Either of multiple simultaneous related incidents
Occurring at the same time.
Being in the same location.
Being in accordance, matching.
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.