defile
Cross references: 1. contaminate 1. de.file \di-'fi-(*)l\ \-'fi-(*)l-m*nt\ vt [ME defilen, alter. of defoulen to trample, defile, fr. OF defou]ler to trample, fr. de- + fouler to trample, lit., to foul 1: to make filthy : DIRTY 2: to corrupt the purity or perfection of 3: RAVISH, VIOLATE 4: to make ceremonially unclean 5: SULLY, DISHONOR - de.file.ment n 2. de.file \di-'fi-(*)l, 'de--.fi-l\ vi [F de`filer, fr. de`- de- + filer to move in a column - m]ore at FILE : to march in line : file off 3. de.file \di-'fi-(*)l, 'de--.fi-l\ n [F de`file`, fr. pp. of de`filer] : a narrow passage or gorge
Webster's English Dictionary