The Collaborative International Dictionary of English v.0.48:

Asker \Ask"er\, n.
   One who asks; a petitioner; an inquirer. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Asker \Ask"er\, n. [A corruption of AS. a?exe lizard, newt.]
   (Zool.)
   An ask; a water newt. [Local Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Effet \Ef"fet\, n. [See Eft, n.] (Zo["o]l.)
   The common newt; -- called also asker, eft, evat, and
   ewt.
   [1913 Webster]

WordNet (r) 3.0 (2006):

asker
    n 1: someone who asks a question [syn: inquirer, enquirer,
         questioner, querier, asker]