| bipartite |
composed of or divided into two parts. [2 definitions] |
| biped |
a two-footed animal. [2 definitions] |
| bipedalism |
the condition of having two feet or of using two feet for locomotion. |
| bipetalous |
having two petals. |
| biphenyl |
diphenyl. |
| bipinnate |
having opposing leaflets that are in turn divided into smaller opposing leaflets, as certain compound leaves. |
| biplane |
an early type of airplane with two sets of wings mounted one above the other. |
| bipolar |
having two poles, as a planet. [2 definitions] |
| biracial |
composed of or representing two races, such as black and white. |
| birch |
a deciduous tree or shrub with close-grained, hard wood and smooth bark that can be peeled off. [5 definitions] |
| bird |
a warm-blooded, egg-laying vertebrate animal with wings and feathers, which usu. has the ability to fly. [5 definitions] |
| birdbath |
a basin for wild birds to bathe in, often an ornamental structure manufactured for this purpose. |
| birdcage |
a cage for confining or keeping birds. |
| bird call |
the cry or song of a bird. [3 definitions] |
| bird dog |
a dog or breed of dogs used to hunt or retrieve game birds. |
| birdhouse |
a man-made nesting structure for birds, usu. built to look like a house. [2 definitions] |
| birdie |
any small bird. [3 definitions] |
| birding |
the activity or hobby of observing and identifying birds in the wild; bird-watching. |
| birdlime |
a sticky substance, made from plants such as holly or mistletoe, that is smeared on branches and twigs to catch small birds when they alight. [2 definitions] |
| bird of paradise |
any of various related birds of New Guinea and nearby regions, of which the male has colorful plumage and long tail feathers. [2 definitions] |
| bird of passage |
a bird that migrates. [2 definitions] |