What part of speech is coast?

"Coast" can be several parts of speech depending on how it's used in a sentence:

* Noun: When referring to the land bordering a sea or ocean.

* Example: "We spent our vacation on the coast of California."

* Verb: To sail or travel easily without using much effort.

* Example: "The sailboat coasted effortlessly on the calm waters."

Let me know if you have another example sentence and I can tell you the part of speech of "coast" in that context!