1. (used especially of machinery) not protected by a shield

See also: unprotected

• tie the knot
• tie-dye
• tie-in
• tie-on
• tie-up
• tieback
• tiebreaker
• tied
• tied up
• tieless
• Tien Shan
• Tien-pao
• Tientsin
• tiepin
• Tiepolo
• tier
• tier up
• tierce
• tiercel
• tiered
• tiered seat
• Tierra del Fuego
• Tietze's syndrome
• tiff
• Tiffany