safety plug

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A plug of [[soft]] [[metal]] in an [[opening]] in a [[steam boiler]], designed to [[melt]] when the [[temperature]] rises to a certain point, and thus allow the [[escape]] of [[steam]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.