Sector (1 Occurrence)

... The sector is used for plotting, etc., to any scale. ... When it is used for measuring zenith distances of stars, it is called a zenith sector. ... biblethesaurus.org/s/sector.htm - 7k

Sections (6 Occurrences)

biblethesaurus.org/s/sections.htm - 8k

Sects (3 Occurrences)

biblethesaurus.org/s/sects.htm - 7k