(uncountable, US, obsolete, sailor's slang) salt beef / (countable, UK, naval) A naval officer or rating whose training and experience have qualified him as a seaman rather than in any specialised trade.

(Canada, US, slang) corned beef

(simile) Very strong.

Relating to, or characteristic of, the genre of horse opera.

plural of horse boy

stable boy

(simile) Very healthy.

plural of master of the horse

(historical) The Ancient Roman Magister Equitum, an official appointed by the dictator to act next under himself.

A bitless headpiece for leading or tying up a horse. / (dated, slang) A vagina.