CITRON-TREE, noun The tree which produces the citron, of the genus Citrus. It has an upright smooth stem, with a branchy head, rising from five to fifteen feet, adorned with large, oval, spear-shaped leaves. To the same genus belong the lemon-tree, orange-tree, etc.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI