sibilous

English

Etymology

Latin sibilus.

Adjective

sibilous (comparative more sibilous, superlative most sibilous)

1. Having a hissing sound; sibilant.
   • 1812, Thomas Pennant, Arctic Zoology:

     In the height of summer it [the grasshopper warbler] chirps the whole night: its sibilous note is observed to cease about the latter end of Jul

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “sibilous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)