the GNU version of the Collaborative International Dictionary of English
n. One who murmurs.
The Century Dictionary and Cyclopedia
n. One who murmurs; one who complains sullenly; a grumbler.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a person who speaks softly and indistinctly
Word Usage
"We begin with Sleep personified as a "Low murmurer," the adjectival effect rounded off almost comically by the next line's last word in "pillows" (ll. 11-12)."