Dictionary: A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z


[lok-doun] /ˈlɒkˌdaʊn/

the confining of prisoners to their cells, as following a riot or other disturbance.
a security measure taken during an emergency to prevent people from leaving or entering a building:
The school remains under lockdown due to police activity in the area.
(US) a security measure in which those inside a building such as a prison, school, or hospital are required to remain confined in it for a time: many schools remained under lockdown yesterday

the state of being grounded and denied privileges
Usage Note


also lock-down, from 1940s in various mechanical senses, from lock (v.) + down (adv.). Prison sense is by 1975, American English.



Read Also:

  • Local anesthesia

    local anesthesia n. Regional anesthesia produced by direct infiltration of local anesthetic solution into the surgical site. Also called infiltration anesthesia.

  • Local anaphylaxis

    local anaphylaxis n. The immediate, temporary, localized anaphylactic response of a sensitized individual following injection of an antigen into the skin.

  • Local anaesthetic

    noun 1. (med) a drug that produces local anaesthesia Often shortened to local See anaesthesia (sense 2)

  • Lo-cal

    [loh-kal, -kal] /ˈloʊˈkæl, -ˌkæl/ adjective 1. .

Disclaimer: Lockdown definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.