• (n.) An artificial bed of animal matter for the manufacture of niter by nitrification. See Nitrification, 2. • (n.) An artificial bed of animal matter for the manufacture of niter by nitrification. See Nitrification, 2. Found on http://thinkexist.com/dictionary/meaning/nitriary/
Ni'tri·a·ry noun [ See Niter .] An artificial bed of animal matter for the manufacture of niter by nitrification. See Nitrification , 2. Found on http://www.encyclo.co.uk/webster/N/24