What part of speech is shown on the dictionary entry for this word? vestibule?

noun

The word “vestibule” is assigned in the dictionary as a noun. It is given 2 meanings.1. it is a hallway, an entrance or a lobby just next to the outer door of a building; 2. In anatomy, to mean chamber or channel leading or opening into another.

lbc corporation makes and sells a product called product wz. each unit of product wz requires 4.1 hours of direct labor at the rate of $20.00 per direct labor-hour. management would like you to prepare a direct labor budget for june. the company plans to sell 28,000 units of product wz in june. the finished goods inventories o