from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A pear-shaped or oval gem, especially a diamond, cut in long triangular facets.
from the GNU version of the Collaborative International Dictionary of English
- n. An oval or pearshaped diamond having its entire surface cut in triangular facets.
from The Century Dictionary and Cyclopedia
- n. A form in which the diamond is sometimes cut; that form which would result from joining two rose diamonds back to back and adding several rows of triangular facets. (See rose and diamond.) Also brilliolette, briolet.
French, perhaps alteration (influenced by brillant, brilliant) of brignolette, diminutive of brignole, dried plum, from Brignoles, a town of southeast France.(American Heritage® Dictionary of the English Language, Fourth Edition)