Meaning

noun a short erect tail

originFrom Middle English scut (“hare”); further etymology uncertain, possibly related to Middle English scut, scute (“short”), possibly from Old French escorter, escurter, or Latin excurtāre, scurtāre, from curtō (“to cut short, shorten”), from curtus (“short; shortened”) (from Proto-Indo-European *(s)ker- (“to cut off”)) + -ō. A derivation from Old Norse skut, skutr (“stern of a boat”), or Icelandic…

Etymology from Wiktionary, CC BY-SA 3.0