LEAF n.
up a leaf and fastening the edges together with silk, as if sewn; esp., Phoxopteris nubeculana, which feeds upon the apple tree. -- Leaf sight, a hinges sight on a firearm, which can be raised or folded down. -- Leaf trace (Bot.), one or more fibrovascular bundles, which may be traced down an endogenous stem from th…
MUSTARD n.
black or white mustard, used as a condiment and a rubefacient. Taken internally it is stimulant and diuretic, and in large doses is emetic. Mustard oil (Chem.), a substance obtained from mustard, as a transparent, volatile and intensely pungent oil. The name is also extended to a number of analogous compounds produced…