From Longman Dictionary of Contemporary Englishcamshaftcam‧shaft /ˈkæmʃɑːft $ -ʃæft/ noun [countable] TEa metal bar that a cam is fastened to in an engine
Examples from the Corpus
camshaft• The compression figures, whilst not particularly low, suggest that it may be camshaft wear.• Ivars needs help with a Hobson or a Zenith carburettor, correct camshaft timing and much more.• His design does away with the latter's camshafts and valves.• Mods include sportier camshafts and bigger valves.• A youngish man deals with us, taking us to the shop floor where camshafts are made. 