58 entries under expression topic. ×

2
smoke box(noun, entity, form, concept)
2
air brake pump(noun, entity, form, concept)
2
axle box(noun, entity, form, concept)
2
blast pipe(noun, entity, form, concept)
2
brake shoe(noun, entity, form, concept)
2
center coupler(noun, entity, form, concept)
2
drive frame(noun, entity, form, concept)
2
fire chamber(noun, entity, form, concept)
2
front center coupler(noun, entity, form, concept)
2
front pony truck(noun, entity, form, concept)
2
leaf spring(noun, entity, form, concept)
2
rear pony truck(noun, entity, form, concept)
2
regulator rod(noun, entity, form, concept)
2
regulator valve(noun, entity, form, concept)
2
running gear(noun, entity, form, concept)
2
safety valve(noun, entity, form, concept)
2
steam circuit(noun, entity, form, concept)
2
steam dome(noun, entity, form, concept)
2
super heater(noun, entity, form, concept)
2
valve gear(noun, entity, form, concept)
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APASmart Define. (2013). steam locomotive thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/steam_locomotive/thesaurus/narrower
ChicagoSmart Define. 2013. "steam locomotive thesaurus" https://smartdefine.org/steam_locomotive/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2013, steam locomotive thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/steam_locomotive/thesaurus/narrower>.
MLASmart Define. "steam locomotive thesaurus" 18 May 2013. Web. 30 September 2026. <https://smartdefine.org/steam_locomotive/thesaurus/narrower>