From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
rebar /ɹɪbˈɑː/ Stahlbetonstab <masc>, Betoneisen <neut>, Bewehrungsstab <masc>, Bewehrungseisen <neut>, Armierungsstab <masc>, Armierungseisen <neut>, Monierstab <masc>, Moniereisen <neut> [constr.] Synonyms: reinforcing bar, reinforcing rod, reinforcement bar, reinforcement rod
see: reinforcing bars, reinforcing rods, reinforcement bars, reinforcement rods, rebars