The following words used in the text as ship terminology are also commonly used in another sense. In what contexts would you use the other meaning?

Knot- A fastening made by looping a piece of string, rope, or something similar on itself and tightening it.

Stern- Serious and unrelenting, especially in the assertion of authority and exercise of discipline.

Boom- A loud, deep, resonant sound.

Hatch- A small opening in a floor, wall, or roof allowing access from one area to another.

Anchor- A person or thing which provides stability or confidence in an otherwise uncertain situation.