psalterium

noun

psal·​te·​ri·​um säl-ˈtir-ē-əm 

sȯl-

plural psalteria säl-ˈtir-ē-ə 

sȯl-

: omasum

Word History

Etymology

New Latin, from Late Latin, psalter; from the resemblance of the folds to the pages of a book

First Known Use

circa 1846, in the meaning defined above

Medical Definition

psalterium

noun

psal·​te·​ri·​um sȯl-ˈtir-ē-əm 

plural psalteria -ē-ə 

1

: omasum

2

: hippocampal commissure