a yellow, water-soluble liquid, C 4 H 6 O 2 , occurring in butter and in certain essential oils, as bay, and also synthesized: used chiefly to augment the flavor and odor of vinegar, coffee, and other foods.
occurring twice a year; semiannual. occurring every two years; biennial. Contemporary Examples Airline Pilots Ditch Charts and Paperwork for iPads to Save Money and Fuel Miranda Green June 27, 2013 Who to See and Where to be Seen: The Hot Tips for New York Fashion Week Barbara Ragghianti September 2, 2014 Gal With a Suitcase […]
having two ringlike bands, as of color. adjective (zoology) having two bands, esp of colour
having two joints, as the antennae of certain insects. Historical Examples The Elements of Botany Asa Gray An Introduction to Entomology: Vol. III (of 4) William Kirby
a competitor in a biathlon.