sexcentenary /sek-sen- or sek-sin-tēˈnə-ri or -tenˈə-ri/

A 600th anniversary or a celebration of this (also adjective)

• shouldered arch
• shouldered arches
• shoulder girdle
• shoulder girdles
• shoulder-height
• shoulder-high
• shouldering
• shoulderings
• shoulder joint
• shoulder joints
• shoulder knot
• shoulder knots
• shoulder mark
• shoulder marks
• shoulder note
• shoulder notes
• shoulder-of-mutton sail
• shoulder-of-mutton sails
• shoulder pad
• shoulder pads
• shoulder plane
• shoulder planes
• shoulders
• shoulder-shotten
• shoulder slip