roughcast

Etymology

rough + cast

noun

1. A crude model.
   The whole piece […] seems […] a loose model and roughcast of what I design to do.
   All the objects left in or near the quarries are unfinished roughcasts. 1986, Pierre Vérin, The History of Civilisation in North Madagascar, page 280
   They first attached the paper-cuttings directly onto the roughcast of china, then they applied glaze to it. 2005, China's Ethnic Groups - Issues 1-4
   In equal machining of cylindrical cam's groove, roughcast of cylindrical cam is clamped in revolving spindle of NC milling machine. 2009, Bo Zhao, Xipeng Xu, Advances in grinding and abrasive technology XV
   Powder pressing, also known as mould pressing or isostatic pressing, involves processing ceramic powder into components or roughcasts to be sintered to certain sizes, shapes, density, and stiffness. 2017, Yufeng Jin, Zhiping Wang, Jing Chen, Introduction to Microsystem Packaging Technology, page 43
2. A rough surface finish, as of a plaster or stucco wall.
   The branches met overhead in a kind of bower and the three cops stood in the shade and studied the roughcast gable of the cottage, maybe fifty yards on up the hill. 2022, Liam McIlvanney, The Heretic, page 444
3. A mixture of pebbles or similar material used to finish a plaster or concrete wall.

verb

1. (transitive) To shape crudely; to form in its first rudiments, without correction or polish.
   Nor bodily, nor ghostly negro could / Rough-ccast thy figure in a sadder mould. 1656, John Cleveland, The Kings Disguise
   Dutt (1913) states that madraspatanum wasps build all their cells and then roughcast the whole group together, i.e. that they make a crepissage. 1968, Journal of the Bombay Natural History Society - Volume 65, page 159
   In particular, it seeks to elucidate the five path system, which was roughcasted at the time of Abhidharma Buddhism and later improved in terms of more comprehensive definition and fruition by Mahayana Buddhism. 1998, Jen-Kuan Shih, The Way to Enlightenment: Theory and Practice of Buddhist Path System
   However, although steam-powered machines were used in the 19th century also to roughcast and polish mass-produced lenses for everyday use of just a few centimeters in diameter (for glasses and lorgnettes, opera glasses and small cheap telescopes), those of the best quality, used mainly in optical equipment, were still manufactured and finished off by hand, one by one. 2002, Raimonda Riccini, Taking Eyeglasses Seriously
2. To apply a roughcast finish to.
   to roughcast a wall or building

adj

1. Unpolished.
   A brilliant blaze, kindled with dry wood, enlightened the whole interior of this fresh looking, roughcast, timbered apartment. 1833, Timothy Flint, Don't give up the ship; or, The good son
   Understand: I'm a roughcast fly fisherman, an empirical self-taught duffer. 2003, John McPhee, The Founding Fish, page 131
   Objectively speaking, Nick was more handsome, with smaller, more chiseled features. But Hardy's roughcast good looks and self-assurance made Nick look callow. 2008, Lisa Kleypas, Blue-Eyed Devil: A Novel
   Both had something of the traditional Quaker character, earnest, dour, enduring, scornful of imposed orthodoxies, desirous of spiritual release through a roughcast mysticism. 2014, Morris Bishop, A History of Cornell