buslot

Noun

 * 1) a hole; an opening

Noun

 * 1) aperture, hole
 * 2) rent, gash

Noun

 * 1) break or opening on floors offering danger of stumbling
 * 2) unexpected depressions on pathways, also offering danger of stumbling
 * 3) stumble due to one's foot tripping on an opening on the floor or an unexpected depression on a pathway