an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
[fawrth-klas, -klahs, fohrth-] /ˈfɔrθˈklæs, -ˈklɑs, ˈfoʊrθ-/ adjective 1. of, relating to, or designated as a class next below third, as for mailing, shipping, etc. adverb 2. as fourth-class matter; by fourth-class mail: Send it fourth-class. noun 1. (in the U.S. Postal Service) the class of mail consisting of merchandise weighing one pound or more, including […]
noun 1. “Remember the sabbath day, to keep it holy”: fourth of the Ten Commandments.
- Fourth cranial nerve
fourth cranial nerve n. See trochlear nerve.
noun 1. Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time. 2. something beyond the kind of normal human experience that can be explained […]