Definitions
1.nounAny of various animals having ten legs or similar appendages, especially mollusks such as squid and cuttlefish.
2.nounAny crustacean, of the order Decapoda, such as crabs or lobsters.
3.nounA nickname for either the 0-10-0 or 2-10-0 train configurations. Sometimes capitalized.
4.adjectiveHaving ten legs.