Is B'e ainm airson '''carbad rathad-iarainn''' a thabha ann an '''carbad-smuid'''. Nochd an t-ainm seo nuair a bhiodh [[Inneal smùid|innlean-smuid]] a' tarruinn na [[treana|treanaichean]]. Is abhaist don ainmear carbad-smuid a bhi sonraichte ri carbadan airson luchd-shiubhail.
Theireadh '''carbad-bathair''' neo '''uagain''' ri carbad airson bathair.