trunk piston

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|mechanical engineering}} In a [[single-acting]] engine, an [[elongated]] hollow piston, open at the end, in which the end of the [[connecting rod]] is pivoted. The [[piston rod]], [[crosshead]] and [[stuffing box]] are thus dispensed with.

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