adj., n., & v.
--adj.
1. existing in three examples or copies.
2 having three corresponding parts.
3 tripled.
--n. each of a set of three copies or corresponding parts.
--v.tr.
1. make in three copies.
2 multiply by three.
Phrases and idioms:
in triplicate consisting of three exact copies.
Derivatives:
triplication n.
Etymology: ME f. L triplicatus past part. of triplicare (as TRIPLEX)