Border(redirected from Bordetella pertussis)
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a part of a theatrical set consisting of a piece of fabric hung above the stage on a rod to conceal the gridiron, suspended sets, and the openings over the sets. The first border is part of the stage portal and of the permanent wings.
a flower bed in the form of a strip measuring from 0.5 to 3 m wide and edged with ornamental border plants. In a large area, a border is divided into sections by paths that are 20–25 m long. Each border contains one type or a mixture of simultaneously annual, perennial, bulbous, mat or leafy ornamental blooming plants set in lengthwise rows or in a pattern. Borders are commonly used for decorative purposes in gardens and parks in populated places, especially in parterres.