rare. ? Obs. Also thirsé. [Properly tirsé (Forskål, 1775), tyrsé (G. Saint-Hilaire and Cuvier), ad. Arab. tirsah, f. urs shield.] The Egyptian soft-billed turtle, Testudo triunguis.

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1807.  Hunter, trans. Sonnini’s Trav. in Egypt, I. 301. The advantage with which this thirsé of the Egyptians and Nubians wages war with the crocodile.

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1834.  McMurtrie, Cuvier’s Anim. Kingd., 171. T. Ægyptiacus.… The Tyrse.

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1839.  Encycl. Brit. (ed. 7), XIX. 132/2. The Egyptian species or tyrse, the soft turtle of the Nile.

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