1. Measurement: This is the most common meaning. It comes from the Greek word "metron," meaning "measure."
* Examples: thermometer, speedometer, perimeter, diameter, barometer
2. Rhythm: In poetry and music, "meter" refers to the pattern of stressed and unstressed syllables in a line.
* Examples: iambic pentameter, dactylic hexameter
3. Poetry: Sometimes "meter" can simply refer to poetry in general, especially poetry that adheres to a strict rhythmic pattern.
4. In the context of "meteorological" or "meteor," the root "meter" comes from the Greek word "meteoros," meaning "high in the air" or "suspended."
It's important to consider the context of the word "meter" to determine its specific meaning.