tierce
1 of 2noun (1)
ˈtirs 
1
: a sequence of three playing cards of the same suit
2
obsolete : third sense 1
tierce
2 of 2noun (2)
ˈtirs
less common variant of terce
: the third of the canonical hours
Word History
Etymology
Noun (1)
Middle English terce, tierce, from Anglo-French, from feminine of terz, adjective, third, from Latin tertius — more at third entry 1
First Known Use
Noun (1)
15th century, in the meaning defined at sense 2