Webster
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Webster’s Revised Unabridged Dictionary · 1913

Hub

Hub (hŭb), n. [See 1st Hob.] 1. The central part, usually cylindrical, of a wheel; the nave. See Illust. of Axle box.

2. The hilt of a weapon. Halliwell.

3. A rough protuberance or projecting obstruction; as, a hub in the road. [U.S.] See Hubby.

4. A goal or mark at which quoits, etc., are cast.

5. (Diesinking) A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc.

6. A screw hob. See Hob, 3.

7. A block for scotching a wheel.

Hub plank (Highway Bridges), a horizontal guard plank along a truss at the height of a wagon-wheel hub. — Up to the hub, as far as possible in embarrassment or difficulty, or in business, like a wheel sunk in mire; deeply involved. [Colloq.]

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.