n.
Pronunciation: ' äs-t ē - ə - ˌ klast
Function: noun
Etymology: International Scientific Vocabulary oste- + Greek klastos broken ― more at CLAST
Date: 1872
: any of the large multinucleate cells closely associated with areas of bone resorption
– os · te · o · clas · tic \ ˌ äs-t ē - ə - ' klas-tik \ adjective