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1550s, from Latin nectar, from Greek nektar, name of the drink of the gods, which is said to be a compound of nek- "death" (see necro-) + -tar "overcoming," from PIE *tere- "to cross over, pass through, overcome." Meaning "sweet liquid in flowers" first recorded c.1600.
A sweet liquid secreted by plants as food to attract animals that will benefit them. Many flowers produce nectar to attract pollinating insects, birds, and bats. Bees collect nectar to make into honey. Nectar is produced in structures called nectaries. Some plants have nectaries located elsewhere, outside the flower. These provide a food source for animals such as ants which in turn defend the plant from harmful insects. Nectar consists primarily of water and varying concentrations of many different sugars, including fructose, glucose, and sucrose.
sweet, viscous secretion from the nectaries, or glands, in plant blossoms, stems, and leaves. It attracts fruit-eating bats, hummingbirds, and insects, who aid in effecting pollination by transferring from plant to plant the pollen that clings to their bodies. Nectar is the raw material used by the honeybee to produce honey. Mainly a watery solution of the sugars fructose, glucose, and sucrose, it also contains traces of proteins, salts, acids, and essential oils. Sugar content varies from 3 to 80 percent, depending upon such factors as flower species and soil and air conditions. Honeybees gather nectar mainly from the blossoms and rarely gather nectars having less than 15 percent sugar content.