From Biology-Online Dictionary
Jump to: navigation, search


1. The block in the center of a wheel, from which the spokes radiate, and through which the axle passes; called also hub or hob.

2. The navel.

Origin: AS. Nafu; akin to D. Naaf, G. Nabe, OHG. Naba, Icel. Nof, Dan. Nav, Sw. Naf, Skr. Nabhi nave and navel: cf. L. Umbo boss of a shield. 260. Cf. Navel.