- Triple crown
- Triple Tri"ple, a. [L. triplus; tri- (see {Tri-}) + -plus, as
in duplus double: cf. F. triple. See {Double}, and cf.
{Treble}.]
1. Consisting of three united; multiplied by three;
threefold; as, a triple knot; a triple tie.
[1913 Webster]
By thy triple shape as thou art seen. --Dryden. [1913 Webster]
2. Three times repeated; treble. See {Treble}. [1913 Webster]
3. One of three; third. [Obs.] --Shak. [1913 Webster]
{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 ratio} (Math.), a ratio which is equal to 3.
{Triple salt} (Chem.), a salt containing three distinct basic atoms as radicals; thus, microcosmic salt is a triple salt.
{Triple star} (Astron.), a system of three stars in close proximity.
{Triple time} (Mus.), that time in which each measure is divided into three equal parts.
{Triple valve}, in an automatic air brake for railroad cars, the valve under each car, by means of which the brake is controlled by a change of pressure in the air pipe leading from the locomotive. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
