(rare) Any marine annelid of the genus Hyalinoecia, especially Hyalinoecia tubicola of Europe, which inhabits a transparent movable tube resembling a quill in color and texture.

A nereid (sea nymph) in Greek mythology. / (astronomy) A moon of Neptune, named after the nymph.

Session-At-Once, a recording mode for optical discs / Specified Associated Organisation / Serb Autonomous Oblasts

Smithsonian Astrophysical Observatory (or the star catalog) / Special Astrophysical Observatory of the Russian Academy of Science / Security Advisory Opinion

A particular defensive move in Wing Chun.

Alternative form of São Paulo, used when ~ is absent. / Misspelling of São Paulo.

Alternative form of São Toméan

plural of Sao Tomean

(sometimes proscribed) Alternative form of São Tomé in all its senses.

(sometimes proscribed) Alternative spelling of São Tomé and Príncipe