a large spider of a group that includes the tarantulas, trapdoor spiders, and funnel-web spiders. Mygalomorphs have several primitive features, including fangs that stab downwards rather than towards one another.
Suborder Mygalomorphae, order Araneae
1920s: from modern Latin Mygalomorphae, from Greek mugalē 'shrew' + morphē 'form'
mygalomorph in other Oxford dictionaries
Definition of mygalomorph in the US English dictionary