1. Having deep narrow furrows or grooves

See also: sulcus

• Gustav Robert Kirchhoff
• Gustav Theodor Fechner
• Gustave Courbet
• Gustave Flaubert
• Gustavus
• Gustavus Adolphus
• Gustavus Franklin Swift
• Gustavus I
• Gustavus II
• Gustavus III
• Gustavus IV
• Gustavus V
• Gustavus VI
• gusto
• gusty
• gut
• gut issue
• gut-wrenching
• Gutenberg
• Guthrie
• Gutierrezia
• Gutierrezia microcephala
• Gutierrezia sarothrae
• Gutierrezia texana
• gutless