* Noun: This is the most common usage. It refers to the solid, non-aquatic surface of the Earth.
* Example: "They bought a piece of land in the country."
* Verb: It can mean to put ashore or to disembark.
* Example: "The ship landed at the dock."
* Adjective: It can describe something as relating to land or the terrestrial environment.
* Example: "They study land animals."
So, without more context, it's difficult to determine the exact part of speech for "land."