triatic stay

[ trahy-at-ik ]
/ traɪˈæt ɪk /

noun Nautical.

a backstay for the head of a fore-and-aft-rigged topmast, running down to the head of the lower mast next aft.

Origin of triatic stay

1835–45; perhaps tri- + -ate1 + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019