Noun

1. A person, creature or thing that growls.
2. A cab with four wheels.
   • 1887, A. Conan Doyle, A Study in Scarlet, Part 2 Ch. 7

     The ordinary London growler is considerably less wide than a gentleman's brougham.

   • 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 254:

     Lew pulled his socks from a jacket pocket, grabbed his own shoes, and together they proceeded to the street and into a growler, and were off.

3. A small iceberg or ice floe which is barely visible over the surface of the water.
   • 2002, Joseph O'Connor, Star of the Sea, Vintage 2003, p. 152:

     A great ‘growler’ iceberg was sighted this afternoon at a distance of approximately half a mile; the size of a large London house, more or less.

   • 2007, Matthew Taylor, The Guardian, 24 November 2007 http://www.guardian.co.uk/world/2007/nov/24/antarctica.climatechange:

     As the cruise ship Explorer was picking its way through the Antarctic sea ice, it hit what experts believe was a "growler" - a huge iceberg shorn from the Antarctic ice shelf.

4. A kind of jug used to carry beer.
   • 1940, Eugene O'Neill, The Iceman Cometh, Act 1

     ... their favoring breeze has the stink of nickel whiskey on its breath, and their sea is a growler of lager and ale ...

   • 2002, Louis M. Soletsky, 100 Years of Medicine, iUniverse, ISBN 9780595229253, page 104:

     This container was a round lidded tin with a handle and was colloquially called a growler. to get daddy or mommy a growler of beer, which was, by the way, approximately a quart.

5. A Yorkshire term for a pork pie.
   • 2008, Christina McDermott, The Guardian, 22 August 2008 http://www.guardian.co.uk/lifeandstyle/wordofmouth/2008/aug/22/foodanddrink:

     Now, on first impression, a pork pie - or a ‘growler’ if you're from Yorkshire - looks like a delicious snack.

6. The vulva.
   • 2007, Cesca Martin, Agony Angel, Troubadour Publishing 2007, pp. 125-6:

     On our first meeting he'd asked me if I dyed my hair. I told him I did and his follow up question had been the much under rated, "What colour's your growler then?"