cripple jack rafter
1jack — jack1 /jak/, n. 1. any of various portable devices for raising or lifting heavy objects short heights, using various mechanical, pneumatic, or hydraulic methods. 2. Also called knave. Cards. a playing card bearing the picture of a soldier or… …
2building — I (New American Roget s College Thesaurus) Architectural structure Nouns 1. edifice, structure, construction. See form, production, architecture. 2. house, home, abode. 3. (types of buildings) A frame, prefab, Quonset hut, ranch house, saltbox,… …
