The Collaborative International Dictionary
Cold-shut
Cold-shut \Cold"-shut`\, a. (Metal.) Closed while too cold to become thoroughly welded; -- said of a forging or casting. -- n. An imperfection caused by such insufficient welding.
Wiktionary
cold-shut
a. (context metalworking English) Closed while too cold to become thoroughly welded; said of a forging or casting. n. (context metalworking English) An imperfection caused by insufficient welding of this kind.