Webster’s Revised Unabridged Dictionary · 1913
Aspergill
As′per·gill, As′per·gil′lum, n. [LL. aspergillum, fr. L. aspergere. See Asperse, v. t.] 1. The brush used in the Roman Catholic church for sprinkling holy water on the people. [Also written aspergillus.]
2. (Zoöl.) See Wateringpot shell.