— exfiltration , n.
/eks fil"trayt, eks"fil trayt'/ , v. , exfiltrated, exfiltrating .
v.i.
1. to escape furtively from an area under enemy control.
v.t.
2. to smuggle (military personnel) out of an area under enemy control.
[ 1965-70; EX- 1 + (IN)FILTRATE ]