Defn: A sword. [Obs.]
BRONTOGRAPH Bron"to*graph, n. [Gr. thunder + -graph.] (Meteor.) (a) A tracing or chart showing the phenomena attendant on thunderstorms. (b) An instrument for making such tracings, as a recording brontometer.
BRONTOLITE; BRONTOLITH
Bron"to*lite, Bron"to*lith, n. Etym: [Gr. -lite, -lith.]
Defn: An aërolite. [R.]
BRONTOLOGY
Bron*tol"o*gy, n. Etym: [Gr. -logy.]
Defn: A treatise upon thunder.
BRONTOMETER
Bron*tom"e*ter, n. [Gr. thunder + -meter.] (Meteor.)
Defn: An instrument for noting or recording phenomena attendant on thunderstorms.
BRONTOSAURUS
Bron`to*sau"rus, n. Etym: [NL., fr. Gr. (Paleon.)
Defn: A genus of American jurassic dinosaurs. A length of sixty feet is believed to have been attained by these reptiles.