The definition of commodious is something that is spacious and roomy.(adjective)
A large overstuffed sofa is an example of something commodious.
See commodious in Webster's New World College Dictionary
Origin: ME, convenient < ML commodiosus < L commodus: see commode
See commodious in American Heritage Dictionary 4
Origin: Middle English, convenient
Origin: , from Medieval Latin commodiōsus
Origin: , from Latin commodus
Origin: : com-, com-
Origin: + modus, measure; see med- in Indo-European roots.
Learn more about commodious