Definition of troths:
(n) :
(countable, archaic) A pledge or promise to marry someone.
(n) :
(countable, archaic) The state of being thus pledged; betrothal, engagement.
(n) :
(countable, archaic) An oath, pledge, plight, or promise.
(n) :
(countable, uncountable, archaic) Truth; something true.
(v) :
(obsolete) To pledge to marry somebody.
(n) :
A surname transferred from the nickname.