Cases of word usage

1) of base (bases)

2) an object which narrows to a point from a round, flat base (cone)

3) a round roof with a circular base (dome)

4) the act of establishment (a university, church etc); a strong base of a building, on which it is built (foundation)

5) a drinking-vessel with a stem, a base and no handles (goblet)

6) a square base or block on which a pillar or statue stands (plinth)

7) a solid figure with a flat base and sides that are triangles or parallelograms; a solid of this form, made of glass, which breaks up white light into the colours of the rainbow (prism)

8) a solid figure with a triangular or square base and sloping sides meeting at a point (pyramid)

9) a flat shelf at the base of a window (sill)

10) a bunch of feathers, grass etc growing or held together at the base (tuft)