1. a small quick bread made from dough that has been rolled out and cut or dropped from a spoon
While both types of biscuit use the same handful of ingredients and are quick to prepare, drop biscuits don't rely on any of the finicky steps rolled biscuits require to get them just right.
— Sandra Wu

2. cookie
The children were divided into groups of five seated round a table and each one was given a chocolate biscuit.
— H. Colin Davis

3. earthenware or porcelain after the first firing and before glazing
biscuit china — called also bisque

4. a light grayish-yellowish brown

5. a grayish yellow

6. a small, flat oval of compressed wood that is glued into slots cut into the sides of two boards which are to be joined in order to increase the strength of the resulting bond
Have several clamps at the ready; then add glue to the biscuits, push them into the maple slots, and clamp the maple in place. The dry, compressed biscuits swell once glue is applied, so you have to work quickly.
— Mike McClintock — compare tenon entry 1

7. a hockey puck
To control the biscuit, you've got to win faceoffs.
— Lindsay Berra

8. to win the prize to rank first —often used to describe something that is extremely surprising, annoying, etc.
When he was quite sure that the narrative had ended he laughed noiselessly for fully half a minute. Then he said: "Well! … That takes the biscuit!" [=(US) takes the cake]
— James Joyce

9. a small, light roll that is eaten as part of a meal

10. a small light bread

11. porcelain after the first firing and before glazing