triatic /trī-atˈik/ or triatic stay /stā/ (nautical)

1. A rope joining adjacent mastheads to which tackle is attached
2. Each of a pair of stays joining the tops of direction-finding masts diagonally and supporting from their points of intersection a vertical aerial

• under seal
• underseal
• undersealed
• under sealed orders
• undersealing
• undersealings
• underseals
• under-secretaries
• under-secretary
• under-secretaryship
• under-secretaryships
• underself
• undersell
• underseller
• undersellers
• underselling
• undersells
• underselves
• undersense
• undersenses
• under separate cover
• underserved
• underset
• undersets
• undersetting