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life preserver

(Encyclopedia)life preserver, a personal flotation device (PFD) intended to keep the wearer afloat, particularly in case of shipwreck. A Type I PFD will keep even unconscious people afloat in a face–up position; ...

ragweed

(Encyclopedia)ragweed, any plant of the genus Ambrosia, coarse, weedy herbs belonging to the family Asteraceae (aster family), most of which are native to America. They have inconspicuous greenish flowers and soft ...

gens

(Encyclopedia)gens jĕnz [key], ancient Roman kinship group. It was the counterpart of what is known in other societies as a patrilineal clan or sib, and the word has been used in social science as a generic term f...

Diggers

(Encyclopedia)Diggers, members of a small English religio-economic movement (fl. 1649–50), so called because they attempted to dig (i.e., cultivate) the wastelands. They were an offshoot of the more important gro...

eye fly

(Encyclopedia)eye fly, common name for a group of small flies of the family Chloropidae. Eye flies are common in parts of California and in the S United States. They inhabit grasslands and meadows and breed mainly ...

feather star

(Encyclopedia)feather star, common name of a class of echinoderms that, as juveniles, are attached to the sea bottom by a stalk with rootlike branches; the mouth side faces upward. In the adult stage they break awa...

greenling

(Encyclopedia)greenling, common name for any of several species of carnivorous, spiny-finned fishes of the family Hexagrammidae, common in the Pacific Ocean, especially in the waters N of Monterey, Calif. Greenling...

privet

(Encyclopedia)privet prĭvˈĭt [key], any plant of the genus Ligustrum, Old World shrubs or small trees of the family Oleaceae (olive family), some of which are common as hedge plants. Privet hedges are popular fo...

herpes zoster

(Encyclopedia)herpes zoster, infection of a ganglion (nerve center) with severe pain and a blisterlike eruption in the area of the nerve distribution, a condition called shingles. The causative organism is varicell...

stilt

(Encyclopedia)stilt, common name for some members of the family Recurvirostridae, shore birds including the avocet. Stilts, as their name implies, have the longest legs of any bird except the flamingo. They frequen...