Definition of social weaver in English:

social weaver

(also social weaver bird)

noun

  • Any of various small, colonially-nesting African weaver birds, especially (usually) the sociable weaver, Philetairus socius, and (less commonly) either of two birds of the genus Pseudonigrita, Ps. arnaudi and Ps. cabainisi.

Origin

Mid 19th century.