Cases of word usage

1) (of ships) touching the bottom in shallow water (aground)

2) a heavy piece of iron used for keeping a ship fixed to the sea bottom (anchor)

3) the dirty water that collects in the bottom of a ship (bilge)

4) a long pole used to keep the bottom of a sail stretched out (boom)

5) a floating object, anchored to the bottom of the sea used to guide ships, to indicate reefs, submerged wrecks etc (buoy)

6) the last bone at the bottom of the spine (coccyx)

7) bits of worthless matter which sink to the bottom of liquid in a glass, bottle, barrel etc (dregs)

8) a part of the body at the bottom of the leg below the ankle (foot)

9) a note at the bottom of a page (footnote)

10) a measurement from bottom to top; the distance to the top of something, especially from sea-level or the ground (height)