Adjective
provided with gills
Source: WordNeta gilled tadpole Source: Internet
It has been found that a change in a single locus of a gene of the gilled mushroom Lentinus tigrinus causes it to have a closed fruiting body. Source: Internet
Other mushrooms are not gilled, so the term "mushroom" is loosely used, and giving a full account of their classifications is difficult. Source: Internet