the GNU version of the Collaborative International Dictionary of English
n. One who, or that which, muddles.
The Century Dictionary and Cyclopedia
n. A churning-stick for muddling chocolate or for mixing toddies.
Word Usage
"Shaped like a large wooden pestle, the muddler is a must for summer drinks, like the Mojito or Mint Julep, which require muddling to bring out the mint's flavor."