/looh net"/ , n.
1. any of various objects or spaces of crescentlike or semicircular outline or section.
2. Archit. (in the plane of a wall) an area enframed by an arch or vault.
3. a painting, sculpture, or window filling such an area.
4. Fort. a work consisting of a salient angle with two flanks and an open gorge.
5. Ordn. a towing ring in the trail plate of a towed vehicle, as a gun carriage.
6. Eccles. Luna (def. 3).
[ 1570-80; lune moon luna; see -ETTE ]