English

Noun

pony glass ‎(plural pony glasses)

1. A small glass for alcoholic drinks.
   • 1939, Raymond Chandler, The Big Sleep, Penguin 2011, p. 64:

     I unlocked my deep drawer and got out my office bottle and two pony glasses.

2. (Australia) A quarter-pint glass (formerly 5 imperial fl oz, metrized to 140 ml).

References

1. ↑ Notes and Queries, August 8th, 1896, p. 126: “It seems probable the origin is due to the diminutiveness of the glass;”
   “The expression ‘a pony of beer’ is often used in South Wales for a small glass containing about the fourth of a pint.”