We don't have synonyms for conrod yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are conrad, conroe and conroy.
(n) :
(automotive) Abbreviation of connecting rod. [Any rod, in an engine, that transmits power or motion, especially one that connects a reciprocating shaft to a rotating wheel, in reciprocating engines connecting piston to crankshaft]
(n) :
(automotive) Abbreviation of connecting rod. [Any rod, in an engine, that transmits power or motion, especially one that connects a reciprocating shaft to a rotating wheel, in reciprocating engines connecting piston to crankshaft]