Cases of word usage

1) moving in a circle or curve to face the opposite way (around)

2) a part of the sea or of a large lake, enclosed by a wide curve of the shore (bay)

3) a curve or turn (bend)

4) a long curve in a coastline (bight)

5) a swelling or outward curve (bulge)

6) (something shaped like) the curve of the moon in the first quarter (especially a row of houses) (crescent)

7) a curve of two equal parts formed by cutting through both bases of a double cone (hyperbola)

8) to change the ending or form of (a word) to show its relationship to other words in a sentence; to adapt, regulate (the voice); (of a line etc) to bend inwards; curve (inflect)

9) a flat curve formed by cutting a cone along a line parallel to its side (parabola)

10) to sink or curve under weight or pressure; to become lower; drop (sag)