What is "scur"

Scur \Scur\ (sk[^u]r), v. i. [Cf. Scour to run.] To move hastily; to scour. [Obs. or Prov. Eng.]
--Halliwell.

Etymology 1 n. (context veterinary English) A distorted horn, regrown after the disbudding operation of a goat, sheep, or cow. Etymology 2

vb. (context intransitive obsolete UK dialect English) To move hastily; to scour.

A scur is an incompletely developed horn growth. In cattle, scurs are not attached to the skull, whereas horns are attached and have blood vessels and nerves. Scurs may also occur in sheep.