patulous

adjective

pat·​u·​lous ˈpa-chə-ləs 

: spreading widely from a center

a tree with patulous branches

Word History

Etymology

Latin patulus, from patēre to be open — more at fathom

First Known Use

1616, in the meaning defined above

Medical Definition

patulous

adjective

pat·​u·​lous ˈpach-ə-ləs 

: spread widely apart : wide open or distended

a patulous eustachian tube

patulousness noun