TRADES UNION; TRADE UNION n.
the purpose of maintaining their rights, privileges, and interests with respect to wages, hours of labor, customs, etc.
TROPICAL a.
ing from one tropic or one equinox to the same again, having a mean length of 365 days, 5 hours, 48 minutes, 46.0 seconds, which is 20 minutes, 23.3 seconds shorter than the sidereal year, on account of the precession of the equinoxes.