засека

Verb

 * 1) to begin to cut/fell/hew
 * 2) to intersect, to locate (an airplane etc.)
 * 3) to time, to clock
 * 4) (of a machine) to jam, (of a weapon) to miss fire, to hang fire, to misfire
 * 5) to corner, to bring to bay, to catch out
 * 6) to spoil (laundry)

Noun

 * 1) abatis, barricade of felled trees