Weevers (or weeverfish) are nine extant species of fishes of family Trachinidae, order Trachiniformes, part of the Percomorpha clade. They are long (up to 37 cm), mainly brown in color, and have venomous spines on their first dorsal fin and gills. During the day, weevers bury themselves in sand, just showing their eyes, and snatch prey as it comes past, which consists of shrimp and small fish. (Wikipedia, 2024. Weever https://en.wikipedia.org/wiki/Weever)
A low dam constructed in a stream to divert or retain water for various human uses. (Roni, Phil & Hanson, Karrie & Pess, G. & Beechie, Timothy & Pollock, Michael & Bartley, Devin. (2005). Habitat Rehabilitation for Inland Fisheries: Global Review of Effectiveness and Guidance for Restoration of Freshwater Ecosystems. https://www.fao.org/4/a0039e/a0039e00.htm)
Welfare economics is a branch of economics that surveys the social desirability of alternative economic outcomes. (Boadway, Robin & Bruce, Neil, 1984. "A general proposition on the design of a neutral business tax," Journal of Public Economics, Elsevier, vol. 24(2), pages 231-239.)
A well can refer to a hole or excavation in the ground that is specifically dug or drilled to access groundwater. (FAOLEX. 2025. Glossary https://www.fao.org/faolex/)
West Africa, also known as Western Africa, is the westernmost region of Africa. (Wikipedia. 2026. West Africa. https://en.wikipedia.org/wiki/West_Africa)
West Bengal is a state in the eastern portion of India. It is situated along the Bay of Bengal. (Wikipedia. 2025. West Bengal. https://en.wikipedia.org/wiki/West_Bengal)
Berlin is the capital of Germany, as well as its largest city by both area and population. (Wikipedia. 2025. Berlin. https://en.wikipedia.org/wiki/Berlin)
Sprivivirus is a genus of viruses in the family Rhabdoviridae, order Mononegavirales. Fish serve as natural hosts. (Wikipedia, 2024. Sprivivirus. https://en.wikipedia.org/wiki/Sprivivirus)
The coating of tissues or biological active substances in semipermeable membranes or specialized coatings which allows for extended shelf life, increased effectiveness and controlled release. (NALT https://lod.nal.usda.gov/nalt/228596)
The concept of basic needs refers to the essential goods, utilities, services or resources required on a regular or seasonal basis by households for ensuring long term survival AND minimum living standards, without resorting to negative coping mechanisms or compromising their health, dignity and essential livelihood assets. (Glossary of Terminology for Cash and Voucher Assistance, CALP Network, 2020 (https://www.calpnetwork.org/wp-content/uploads/2020/03/calp-glossary-english.pdf).)
West Virginia is a state in the Southern and Mid-Atlantic regions of the United States. (Wikipedia. 2025. West Virginia. https://en.wikipedia.org/wiki/West_Virginia)
Western Australia is the westernmost state of Australia. It is bounded by the Indian Ocean to the north, west, and south coastal areas, the Northern Territory to the north-east, and South Australia to the south-east. (Wikipedia. 2025. Western Australia. https://en.wikipedia.org/wiki/Western_Australia)
A geographic region of the European continent surrounded by the North Sea, Atlantic Ocean and the Mediterranean Sea, including Belgium, France, Germany, Great Britain, Greece, Italy, Luxembourg, Netherlands, Portugal, Spain and other member countries of the Western European Union. (GEMET. http://www.eionet.europa.eu/gemet/concept/9295)
The Western United States is one of the four census regions defined by the United States Census Bureau. The U.S. Census Bureau's definition of the 13 westernmost states includes the Rocky Mountains and the Great Basin to the Pacific Coast, and the mid-Pacific islands state, Hawaii. (Wikipedia. 2026. Western United States https://en.wikipedia.org/wiki/Western_United_States)
