Noah Webster's Dictionary 1. (n.) An enforced isolation of a person or thing infected with a contagious disease--originally a period of forty days. 2. (n.) Specifically, the term, originally of forty days, during which a ship arriving in port, and suspected of being infected a malignant contagious disease, is obliged to forbear all intercourse with the shore; hence, such restraint or inhibition of intercourse; also, the place where infected or prohibited vessels are stationed. 3. (n.) The period of forty days during which the widow had the privilege of remaining in the mansion house of which her husband died seized. 4. (v. t.) To compel to remain at a distance, or in a given place, without intercourse, when suspected of having contagious disease; to put under, or in, quarantine.

Multi-Version Concordance Quarantine (3 Occurrences) Leviticus 13:50 The priest shall examine the plague, and isolate the plague seven days. (See NAS) Leviticus 13:54 then the priest shall command that they wash the thing in which the plague is, and he shall isolate it seven more days. (See NAS) Leviticus 14:38 then the priest shall go out of the house to the door of the house, and shut up the house seven days. (See NAS)