n.
Pronunciation: d ī - ' a-f ə -s ə s
Function: noun
Inflected Form: plural -y · ses \ - ˌ s ē z \
Etymology: New Latin, from Greek, spinous process of the tibia, from diaphyesthai to grow between, from dia- + phyein to bring forth ― more at BE
Date: 1831
: the shaft of a long bone
– di · aph · y · se · al \ ( ˌ )d ī - ˌ a-f ə - ' s ē - ə l \ or di · a · phys · i · al \ ˌ d ī - ə - ' fi-z ē - ə l \ adjective