The Collaborative International Dictionary of English v.0.48:

Needlefish \Nee"dle*fish`\, n. (Zool.)
      (a) The European great pipefish (Siphostoma acus or
          Syngnathus acus); -- called also earl, and
          tanglefish.
      (b) The garfish.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Earl \Earl\, n. [OE. eorl, erl, AS. eorl man, noble; akin to OS.
   erl boy, man, Icel. jarl nobleman, count, and possibly to Gr.
   ? male, Zend arshan man. Cf. Jarl.]
   A nobleman of England ranking below a marquis, and above a
   viscount. The rank of an earl corresponds to that of a count
   (comte) in France, and graf in Germany. Hence the wife of an
   earl is still called countess. See Count.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Earl \Earl\, n. (Zo["o]l.)
   The needlefish. [Ireland]
   [1913 Webster]

WordNet (r) 3.0 (2006):

earl
    n 1: a British peer ranking below a marquess and above a
         viscount