Nounthreshold (esp. one with grooves for sliding doors); sill

Noun, Suru verb, Transitive verborder (for goods or services) · order (sequence) · order (of magnitude)

Nountaking something out; carrying out · providing money oneself; paying with one's own money · corbel

Na-adjective (keiyodoshi), Nounniche (market, industry, hobby, etc.) · niche · niche

Nounthorny shrub · wild rose; briar · thorn