bat·​ten·​less | \ ˈba-tᵊn-ləs How to pronounce battenless (audio) \

Definition of battenless

of a ship's sail
: having no batten (see batten entry 2 sense 3a) Several years ago battenless mainsails were popular. They were supposed to alleviate the problem of lost and broken battens and the frustration of battens getting caught on the shrouds.— Jim Howard and Charles J. Doane, Handbook of Offshore Cruising, 2000 Some Mediterranean charter fleets have also moved to battenless mainsails, and find them more forgiving for less experienced sailors …— Peter Nielsen, Sailpower: Trim and Techniques for Cruising Sailors, 2004

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First Known Use of battenless

1970, in the meaning defined above

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The first known use of battenless was in 1970

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