bilbo, ĕre, v. n. [onomatop.],
to make a noise like that of a liquid agitated in a vessel : bilbit factum est a similitudine sonitus, qui fit in vase. Naevius Bilbit amphora inquit, Paul. ex Fest. p. 34 Müll. (Com. Trag. v. 124 Rib.): bilbit βομβύζει, Gloss.
·noun A rapier; a sword; so named from Bilbao, in Spain. II. Bilbo ·noun A long bar or bolt of iron...
Webster's Dictionary of the English Language
An old term for a flexible kind of cutlass, from Bilbao, where the best Spanish sword-blades were ma...
The Sailor's Word-Book