triplex

[trip-leks, trahy-pleks] /ˈtrɪp lɛks, ˈtraɪ plɛks/
adjective
1.
threefold; triple.
noun
2.
something triple.
3.
Music. triple time.
4.
an apartment having three floors.
5.
a multiplex of three theaters or movie houses.
Origin
1595-1605; < Latin triplex (stem triplic-) threefold, equivalent to tri- tri- + -plex -plex
British Dictionary definitions for triplex

triplex

/ˈtrɪplɛks/
adjective
1.
a less common word for triple
Word Origin
C17: from Latin: threefold, from tri- + -plex-fold

Triplex

/ˈtrɪplɛks/
noun
1.
trademark (Brit) a laminated safety glass, as used in car windows