SACK n.
arer (Zoöl.). See Basket worm, under Basket. -- Sack tree (Bot.), an East Indian tree (Antiaris saccidora) which is cut into lengths, and made into sacks by turning the bark inside out, and leaving a slice of the wood for a bottom. -- To give the sack to or get the sack, to discharge, or be discharged, from employmen…
SECONDARY a.
te under Accent, n., 1. -- Secondary age. (Geol.) The Mesozoic age, or age before the Tertiary. See Mesozoic, and Note under Age, n., 8. -- Secondary alcohol (Chem.), any one of a series of alcohols which contain the radical CH.OH united with two hydrocarbon radicals. On oxidation the secondary alcohols form ketones.…
THIRD a.
mple vow if they remain seculars, and by more solemn vows if they become regulars. See Tertiary, n., 1. -- Third person (Gram.), the person spoken of. See Person, n., 7. -- Third sound. (Mus.) See Third, n., 3.
TRIPLE a.
One of three; third. [Obs.] Shak. Triple crown, the crown, or tiara, of the pope. See Tiara, 2. -- Triple-expansion steam engine, a compound steam engine in which the same steam performs work in three cylinders successively. -- Triple measure (Mus.), a measure of tree beats of which first only is accented. -- Triple…