Source : Webster's Revised Unabridged Dictionary (1913)

Monera \Mo*ne"ra\, n. pl. [NL., fr. Gr. ? single.] (Zo["o]l.)
   The lowest division of rhizopods, including those which
   resemble the am[oe]bas, but are destitute of a nucleus.

Moneron \Mo*ne"ron\, n.; pl. L. {Monera}; E. {Monerons}. [NL.]
   (Zo["o]l.)
   One of the Monera.

Source : WordNet®

Monera
     n : prokaryotic bacteria and blue-green algae and various
         primitive pathogens; because of lack of consensus on how
         to divide the organisms into phyla informal names are
         used for the major divisions [syn: {kingdom Monera}]