Turn"down` (?), a. 1. Capable of being turned down; specif. (Elec.), designating, or pertaining to, an incandescent lamp with a small additional filament which can be made incandescent when only a small amount of light is required.

2. Made to wear with the upper part turned down; as, a turndown collar.

Turn"down` (?), a. 1. Capable of being turned down; specif. (Elec.), designating, or pertaining to, an incandescent lamp with a small additional filament which can be made incandescent when only a small amount of light is required.

2. Made to wear with the upper part turned down; as, a turndown collar.

• to refuse or deny
        He turned down all our offers of help.
  
• to reduce the volume or loudness
        Turn down the television so I can hear myself think.
  
• to reposition by turning, flipping, etc. in a downward direction
        Turn down the blankets to let them air out.