Of a set: such that, considered as a subset of a (usually larger) topological space, it is in a precise sense small or negligible.
Poor, deficient or inferior in amount, quality or extent
Having little flesh; lean; thin.
Dry and harsh to the touch (e.g., as chalk).
To make lean.
Very large or wide (literally or figuratively).
Very great in size, amount, degree, intensity, or especially extent.
A vast space.