ðeɪ wɜː nˈeɪmd kˈɑːɹkəs bɪkˈʌz ðə sˈɜːkəlz wˌɪtʃ pˈæs fɹʌm wˈʌn ɹˈɪŋ, ɔːɹ plˈeɪt, tə ðɪ ˈʌðɚ, wɜː θˈɔːt tə ɹᵻzˈɛmbəl ðə ɹˈɪbz əvə hjˈuːmən kˈɑːɹkəs.
They were named carcass because the circles which pass from one ring, or plate, to the other, were thought to resemble the ribs of a human carcass.