* As a noun, "trust" refers to a firm belief in the reliability, strength, or truth of someone or something. It can also refer to a responsibility or duty that is placed in someone's care.
Examples:
* "He placed his trust in her."
* "The company has lost the trust of its customers."
* "The trust will distribute the funds to local charities."
* As a verb, "trust" means to believe in the reliability or strength of someone or something.
Examples:
* "I trust you to do the right thing."
* "You can trust me to keep your secret."
In the context of your question, it seems like you're asking about "trust" as a noun. So, the answer is: "Trust" is a noun when it refers to a belief or responsibility.