ˌsisärˈkōsə̇s noun
( plural syssarco·ses -ōˌsēz)
Etymology: New Latin, from Greek syssarkōsis fact of being overgrown with flesh, from syssarkousthai to be overgrown with flesh also (from syn- + sarkousthai, passive of sarkoun to make fleshy, grow fleshy, from sark-, sarx flesh) + -sis — more at sarcasm
: the junction of two or more bones by means of attached muscles (as the scapula with the thorax or the hyoid with the mandible and sternum)