de·lim·it 
(dĭ-lĭmĭt) also de·lim·i·tate (-ĭ-tāt′)
(dĭ-lĭmĭt) also de·lim·i·tate (-ĭ-tāt′)tr.v. de·lim·it·ed, de·lim·it·ing, de·lim·its also de·lim·i·tat·ed or de·lim·i·tat·ing or de·lim·i·tates
To establish the limits or boundaries of; demarcate.
[French délimiter, from Latin dēlīmitāre : dē-, de- + līmitāre, to limit (from līmes, līmit-, boundary line).]
de·lim′i·tation n.
de·limi·ta′tive adj.