Spongiole \Spon"gi*ole\ (sp[u^]n"j[i^]*[=o]l; 277), n. [L.
spongiola a rose gall, small roots, dim. of spongia: cf. F.
spongiole.] (Bot.)
A supposed spongelike expansion of the tip of a rootlet for
absorbing water; -- called also {spongelet}.
[1913 Webster]