a. [ad. mod.L. bursiformis, f. BURSA purse: see -FORM.] Purse-shaped.

1

1836.  Todd, Cycl. Anat. & Phys., I. 518/1, note. The Cephalopods of the Foraminiferous Order have a bursiform body.

2

1872.  Nicholson, Palæont., 119. Cup-shaped, pyriform, bursiform, or discoidal.

3