button up

== English == === Pronunciation === === Verb === button up (third-person singular simple present buttons up, present participle buttoning up, simple past and past participle buttoned up) (transitive) To fasten with a button or buttons. (intransitive) To fasten all the buttons on a coat, or similar item of clothing, to keep warm. (ambitransitive) To conclude; to finalize; to put the finishing touches (on). Alternative form of button up one's lip. (US, military, slang, transitive, ergative) To seal off (a military vehicle or facility). ==== Usage notes ==== The object in sense 1 can come before or after the particle. If it is a pronoun, then it must come before the particle. ==== Translations ====