gratebar

The iron bar in a furnace which supports the fuel. A part of a grid in a furnace. grate-furnace, s. Steam-eng in.: The area of surface of grate by which air has acce to the fuel. In an average boiler this is one square foot per horse-power, and is expected to evaporate one cubic foot of water per hour. grāte (1), v . t. [GRATE, 8.] To furnish with a grato or grating; to fill in or cover with cro -bars. "She has grated port-holes between the decks."Burke: Sketch of the Negro Code. grāte (2), v . t. & i. [O. Fr. grater : Fr. gratter , from Low Lat, crato , from Sw. kratta to scrape; Dan. kratte , kratse ; Dut. kra en =to scratch; Ger. kratzen ; Mid. Eng. cracchen ; Ital. grattare .] A. Transitive : 1. To rub one thing against another, so as to cause a harsh sound; as, to grate one's teeth. 2. To rub two bodies together, so as to reduce one or both to small particles. "Grate it [horse-radish] on a grater which has no bottom, and so it may pa through." -Evelyn : Acetaría. *3. To offend, to vex; to annoy by anything harsh or vexatious. " Grating so harshly all his days of quiet." Shakesp.: Hamlet, iii. 1. IMG:content-0715.png:[blocks in formation] 2. To rub against any body so as to produce a harsh, discordant noise; to give out a harsh sound. "Hear a dry wheel grating on the axle-tree." Shakesp.: Henry IV., Pt . I. , iii. 1. *3. To be offensive, to offend. "I never heard him make the least complaint, in a case that would have grated sorely on some men's patience, and have filled their lives with discontent."-Locke. *4. To be grieved, to fret. "For grief his heart did grate ." Spenser: F. Q., II. i. 66. *grate, a . [Latin grat us =pleasant.] Pleasant, agreeable. "It becomes grate and delicious enough by custom." Sir T. Herbert: Travels .