noun, Plant Pathology.
a symptom or phase of many diseases of plants, characterized by decay of the stem tissues.
any disease so characterized.
noun, Plant Pathology. 1. any of several fungal diseases of plants affecting the stems, especially a disease of wheat and other grasses characterized by pustules of red and then black spores. 2. any of the fungi causing such a disease.
noun 1. the ascending axis of a plant, whether above or below ground, which ordinarily grows in an opposite direction to the root or descending axis. 2. the stalk that supports a leaf, flower, or fruit. 3. the main body of that portion of a tree, shrub, or other plant which is above ground; trunk; […]
noun, Nautical. 1. a curved timber in a wooden bow, scarfed at its lower end to the keelson. noun 1. (nautical) a curved timber scarfed into or bolted to the stem and keelson at the bow of a wooden vessel Compare sternson
- Stem the tide
Stop the course of a trend or tendency, as in It is not easy to stem the tide of public opinion. This idiom uses stem in the sense of “stop” or “restrain.” [ Mid-1800s ]