15-letter words containing mas
- tibetan mastiff — a heavy well-built dog of a Tibetan breed with a long thick coat and a bushy tail carried curled over its back, often used as a guard dog
- topgallant mast — a mast fixed to the head of a topmast on a square-rigged vessel.
- ultra-masculine — pertaining to or characteristic of a man or men: masculine attire.
- white christmas — A white Christmas is a Christmas when it snows.