The Collaborative International Dictionary of English v.0.48:

Cold-short \Cold"-short`\, a. [Prob. fr. Sw. kallsk["o]r; kall
   cold + sk["o]r brittle. --Oxf. E. D.] (Metal.)
   Brittle when cold (that is, below a red heat); as, cold-short
   iron. -- Cold"-short`ness, n.
   [Webster 1913 Suppl.]