by-catch
— Noun
– English
～ unwanted marine creatures that are caught in the nets while fishing for another species; "thousands of dolphins and porpoises and whales are killed as part of the by-catch each year"
black catechu
— Noun
– English
～ extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally
blue catfish
— Noun
– English
～ a large catfish of the Mississippi valley
bullhead catfish
— Noun
– English
～ any of several common freshwater catfishes of the United States
beef cattle
— Noun
– English
～ cattle that are reared for their meat
beluga caviar
— Noun
– English
～ roe of beluga sturgeon usually from Russia; highly valued
bodily cavity
— Noun
– English
～ (anatomy) a natural hollow or sinus within the body
buccal cavity
— Noun
– English
～ the cavity between the jaws and the cheeks
Bermuda cedar
— Noun
– English
～ ornamental densely pyramidal juniper of Bermuda; fairly large for a juniper
Bombycilla cedrorun
— Noun
– English
～ widely distributed over temperate North America
Bombay ceiba
— Noun
– English
～ massive tropical tree with deep ridges on its massive trunk and bearing large pods of seeds covered with silky floss; source of the silky kapok fiber
Bombax ceiba
— Noun
– English
～ East Indian silk cotton tree yielding fibers inferior to kapok
B cell
— Noun
– English
～ a lymphocyte derived from bone marrow that provides humoral immunity; it recognizes free antigen molecules in solution and matures into plasma cells that secrete immunoglobulin (antibodies) that inactivate the antigens
bone cell
— Noun
– English
～ a cell that is part of a bone
blood cell
— Noun
– English
～ either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
beta cell
— Noun
– English
～ a cell that produces insulin in the isles of Langerhans in the pancreas
brain cell
— Noun
– English
～ a nerve cell in the brain