1. A framework with shelves, placed, or made to act, between a kitchen and dining-room for conveying food, &c.; a dining-room sideboard, with a succession of revolving shelves, serving as trays for food.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• dumwaiter,
• dumbwater,
• dumbwaiter,
• dumb waiter,
• sumb-waiter,
• xumb-waiter,
• cumb-waiter,
• fumb-waiter,
• rumb-waiter,
• eumb-waiter,
• dymb-waiter,
• dhmb-waiter,
• djmb-waiter,
• dimb-waiter,
• d8mb-waiter,
• d7mb-waiter,
• dunb-waiter,
• dukb-waiter,
• dujb-waiter,
• dumv-waiter

The adjective form of the word "Dumb-waiter" is "dumbwaiter".

The plural form of "dumb-waiter" is "dumb-waiters".

The singular form of the word "dumbwaiter" is still "dumbwaiter" The word refers to a small elevator used to transport objects between floors, typically in restaurants or old buildings.