I.
variant of terce
II. ˈti(ə)rs noun
( -s )
Etymology: Middle English terce, tierce, from Middle French, from feminine of terz, ters, tiers, adjective, third, from Latin tertius — more at third
1. obsolete : third 1
2.
a. : any of various units of liquid capacity equal to 1/3 pipe ; especially : a unit equal to 42 wine gallons
b. : a cask of tierce capacity for wine or other commodities (as salted meat)
3. : a sequence of three playing cards of the same suit
4. : a fencing parry or guard position which defends the upper outside target and in which the hand is in a position of pronation at chest height and the tip of the blade is directed toward the opponent's eyes — compare sixte
5.
a. : third 4
b. : the tone two octaves and a major third above a given tone
c. : an organ stop giving tones at this interval from the normal pitch of the digitals