Webster’s Revised Unabridged Dictionary · 1913
Desman
Des′man (dĕs′man), n. [Cf. Sw. desman musk.] (Zoöl.) An amphibious, insectivorous mammal found in Russia (Myogale moschata). It is allied to the moles, but is called muskrat by some English writers. [Written also dæsman.]