irreg. for psithyrism, ad. Gr. ψιθύρισµα or ψιθυρισµός, f. ψιθυρίζ-ειν to whisper.
- The sound of the wind in the trees.
- Whispering; a whispering noise, as of leaves moved by the wind.
1872—M. Collins, Pr. Clarice II. xix. 218:
“Psithurism of multitudinous leaves made ghostly music.”
1875—Blacksmith & Scholar (1876) II. 12:
“The wind wooed them with a whispering psithurism.”