monera Meaning, Definition & Usage

  1. noun 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
    kingdom Prokaryotae; Prokayotae; kingdom Monera.

WordNet

Mo*ne"ra noun plural
Etymology
NL., fr. Gr. single.
Definitions
  1. (Zoöl.) The lowest division of rhizopods, including those which resemble the amoebas, but are destitute of a nucleus.

Webster 1913