1. Unusually large in scope
   "a large-scale attack on AIDS is needed" 
2. Constructed or drawn to a big scale
   "large-scale maps"

See also: big, large

• genus Schlumbergera
• genus Schomburgkia
• genus Sciadopitys
• genus Sciaena
• genus Sciaenops
• genus Sciara
• genus Scilla
• genus Scincella
• genus Scincus
• genus Scindapsus
• genus Scirpus
• genus Sciurus
• genus Scleranthus
• genus Scleroderma
• genus Scleropages
• genus Sclerotinia
• genus Sclerotium
• genus Scolopax
• genus Scolopendrium
• genus Scolymus
• genus Scolytus
• genus Scomber
• genus Scomberesox
• genus Scomberomorus
• genus Scombresox