Definitions

1. noun

A measure of capacity in the British imperial system, equal to one of 40 parts into which a standard wine cask is divided.

“The wine was sold by the mas, so we bought two mas to fill our bottles.”

2. noun

A suffix used to form the plural of nouns ending in the sound /s/ or /z/.

“The bus driver gave us our mas, and we were all set for the trip.”

3. interjection

An expression used to wish someone a happy festival, especially Christmas.

“Merry mas to you and your family!”