n. & v.
--n.
1. a person competing with another for the same objective.
2 a person or thing that equals another in quality.
3 (attrib.) being a rival or rivals (a rival firm).
--v.tr. (rivalled, rivalling; US rivaled, rivaling)
1. be the rival of or comparable to.
2 seem or claim to be as good as.
Etymology: L rivalis, orig. using the same stream, f. rivus stream