| gaster | any fungus of the class Gasteromycetes |
|---|---|
| gaster | fungi in which the hymenium is enclosed until after spores have matured: puffballs |
| gaster | horse botflies |
| gaster | type genus of the Gasterophilidae: horse botflies |
| gaster | parasitic chiefly on horses |
| gaster | snails and slugs and their relatives |
| gaster | sticklebacks |
| gaster | type genus of the family Gasterosteidae |
| gaster | of rivers and coastal regions |
| gaster | confined to rivers |