plat /plæt/noun 7adjective 1adverb 1verb 2forms 5 noun7 •A map showing the boundaries of real properties (delineating one or more plots of land), especially one that forms part of a legal document.The purpose of the preapplication conference is to allow the developer to meet informally with the planning board before going to the expense of preparing a formal plat. — 1982 •A plot of land; a lot.Such pleasure took the Serpent to behold This Flourie Plat, the sweet recess of Eve Thus earlie, thus alone; [...] — 1667 •A braid; a plait (of hair, straw, etc.).Her haire nor loose nor ti'd in formall plat, / Proclaimd in her a carelesse hand of pride; [...] — 1609 •Material produced by braiding or interweaving, especially a material of interwoven straw from which straw hats are made.The large silver medal and twenty guineas, were this Session given to Miss Sophia Woodhouse, (Mrs. Wells,) of Weathersfield, in Connecticut, United States, for a new Material for Straw Plat. — 1824 •Clipping of platform •(slang) Clipping of platform game •(no longer used) A plot, a scheme. adjective1 •Flat; level; (by extension) frank, on the level.But now, youngster, I have answered you freely, and I trow it is time that you answered me. Let things be plat and plain between us. I am a man who shoots straight at his mark. — 1891 adverb1 •Flatly, plainly.Fourth, see [that] thou hide nothing, nor dissemble, but speak plat, and plainly as much as thou knowest. — 1547 verb2 •To create a plat; to lay out property lots and streets; to map.He platted his land, extending the lateral lines of the lots south of Shore, or India street, indefinitely out into the river. — 1902 •To braid, to plait.And when they had platted a crowne of thornes, they put it upon his head, and a reed in his right hand: and they bowed the knee before him, and mocked him, saying, haile king of the Jewes. — 1611 formsplatted · platting · plats · more plat · most plat