Definition of chiton
1 : any of a class (Polyplacophora) of elongated bilaterally symmetrical marine mollusks with a dorsal shell of calcareous plates
2 [Greek chitōn] : the basic garment of ancient Greece worn usually knee-length by men and full-length by women
Origin of chiton
New Latin, genus name, from Greek chitōn tunic, of Semitic origin; akin to Hebrew kuttōneth tunic
First Known Use: 1816
Learn More about chiton
Britannica.com: Encyclopedia article about "chiton"
Seen and Heard
What made you want to look up chiton? Please tell us where you read or heard it (including the quote, if possible).