a. rare. [ad. mod.L. ūtriform-is (whence F. utriforme), f. L. ūtri-s, ūter bag, bottle, etc.: see -FORM.] Having the shape of a leathern bottle.
1860. Mayne, Expos. Lex., 1378/2. Utriformis,… swoln out and without apparent pedicle, as in the Lycoperdon utriforme: utriform.
1889. Quart. Jrnl. Geol. Soc., XLV. 566. The zœcia … have the exsert parts conical, or, again, they may be leathern-bottle-shaped (utriform).
