Treble costs Law and Legal Definition
Treble costs, in the English law, means, 1. The common costs; 2, half of these; and then half of the latter. So that in effect the treble costs amount only to the costs, and three-fourths thereof. Treble costs are sometimes awarded by statutes. When a statute awards treble costs, the party is allowed three times the usual costs, excepting the fees and costs of their attorney which are not trebled.