1. The act of ebullition or of tumultuous agitation.

2. Exposure to the action of a hot liquid.

BOILINGLY
Boil"ing*ly, adv.

Defn: With boiling or ebullition.
And lakes of bitumen rise boiling higher. Byron.

BOIS D'ARC Bois" d'arc". Etym: [F., bow wood. So called because used for bows by the Western Indians.] (Bot.)

Defn: The Osage orange (Maclura aurantiaca). The bois d'arc seems to be the characteristic growth of the black prairies. U. S. Census (1880).

BOIS DURCI
Bois" dur`ci". Etym: [F., hardened wood.]

Defn: A hard, highly polishable composition, made of fine sawdust from hard wood (as rosewood) mixed with blood, and pressed.

BOIST
Boist, n. Etym: [OF. boiste, F. boîte, from the same root as E. box.]

Defn: A box. [Obs.]