TIDE n.
The alternate rising and falling of the waters of the ocean, and of bays, rivers, etc., connected therewith. The tide ebbs and flows twice in each lunar day, or the space of a little more than twenty- four hours. It is occasioned by the attraction of the sun and moon (the influence of the latter being three times that…
UNDER prep.
weight, age, or the like; in a relation of the less to the greater, of inferiority, or of falling short. Three sons he dying left under age. Spenser. Medicines take effect sometimes under, and sometimes above, the natural proportion of their virtue. Hooker. There are several hundred parishes in England under twenty pou…
VALVE n.
ug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid.