Word Study
sea horse
CIDE DICTIONARY
sea horse,
- A fabulous creature, half horse and half fish, represented in classic mythology as driven by sea dogs or ridden by the Nereids. It is also depicted in heraldry. See Hippocampus. [1913 Webster]
- The walrus. [1913 Webster]" In a passage of Dryden's, the word is supposed to refer to the hippopotamus." [1913 Webster]
For further exploring for "sea horse" in Webster Dictionary Online