Sentence Examples with the word rhomboid

It appears, however, from Russian explorations during the last third of the 19th North- century, that it has all the characteristics of an elevated western plateau, of a rhomboid shape (like Bohemia), bounded by four mountain ranges; namely, the Russian Altai on the N.W., the Sayans on the N.E., the Kentei range on the S.E., and the Ektagh Altai on the S.W.