1) Fantasy creature 
The hircocervus (hircus, `billy goat` + cervus, `stag`) or tragelaph (τράγος, tragos, `billy goat` + έλαφος, elaphos, `stag`), also known as a goat-stag or horse-stag, was a legendary creature imagined to be half-goat, half-stag. In his work De Interpretatione, Aristotle utilized the idea of a fabulous goat-stag to express the ...