ˈsinəsə̇s noun
( -es )
Etymology: New Latin, from Greek, union, intelligence, from synienai to bring together, perceive, understand (from syn- + hienai to send) + -sis — more at jet
: a construction in which one or more forms make agreement or reference not according to the requirements of syntax but according to the sense of the passage (as anyone and them in “if anyone calls, tell them I am out”)