[as if ad. L. *forāminul-um, dim. of FORAMEN.]

1

1866.  Treas. Bot., Foraminule. The ostiolum of certain fungals.

2

1884.  Syd. Soc. Lex., Foraminule. The minute opening or ostiolum of the perithecium of some Fungi and Lichens, through which the spores escape.

3