Definitions of low:

• noun:   a low level or position or degree

  Example: "The stock market fell to a new low"

• noun:   British political cartoonist (born in New Zealand) who created the character Colonel Blimp (1891-1963)
• noun:   an air mass of lower pressure; often brings precipitation

  Example: "A low moved in over night bringing sleet and snow"

• noun:   the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving
• verb:   make a low noise, characteristic of bovines
• adjective:   literal meanings; being at or having a relatively small elevation or upward extension

  Example: "Low ceilings"

• adjective:   less than normal in degree or intensity or amount

  Example: "Low prices"

• adjective:   used of sounds and voices; low in pitch or frequency
• adjective:   very low in volume

  Example: "A low murmur"

• adjective:   unrefined in character

  Example: "Low comedy"

• adjective:   no longer sufficient

  Example: "Supplies are low"

• adjective:   low or inferior in station or quality

  Example: "A lowly parish priest"

• adjective:   being the gear producing the lowest drive speed
• adjective:   of the most contemptible kind

  Example: "A low stunt to pull"

• adjective:   subdued or brought low in condition or status

  Example: "Brought low"

• adjective:   low in spirits
• adverb:   in a low position; near the ground

  Example: "The branches hung low"

• name:  A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3338)