cloak UK /kləʊk/US /kloʊk/noun 4verb 3forms 5 noun4 •A long outer garment worn over the shoulders covering the back; a cape, often with a hood.‘It's rather like a beautiful Inverness cloak one has inherited. Much too good to hide away, so one wears it instead of an overcoat and pretends it's an amusing new fashion.’ — 1963 •A blanket-like covering, often metaphorical.Night hid her movements with its cloak of darkness. •(figurative) That which conceals; a disguise or pretext.For neither at any time vsed wee flattering wordes, as yee knowe, nor a cloke of couetousnesse, God is witnesse: […] — 1611 •(Internet) A text replacement for an IRC user's hostname or IP address, making the user less identifiable. verb3 •To cover as with or like a cloak.He would hold her, just hold her, while his hands soothed the bare skin of her arms and the delicate fabric that cloaked her shoulders and her back. — 2008 •(figurative) To cover up, hide or conceal.It’s possible that some microbes don’t just take up residence in tumors but help them grow. They may cloak the tumor from the immune system, neutralize drugs or help tumors spread through the body. — 2022 •To render or become invisible via futuristic technology.The ship cloaked before entering the enemy sector of space. formscloaked · cloaking · cloaketh · cloaks · cloakest