Illustrated Companion to the Latin Dictionary/Psilothrum

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

PSILO'THRUM (ψίλωθρον). An unguent or medical preparation, made chiefly of heated arsenic and unslaked lime, employed for removing hairs from the surface of the skin, by men of effeminate habits as well as women. Mart. iii. 74. vi. 93. Plin. H. N. xxiv. 37. Id. xxxii. 47.