semiwaveless en · ADJ
Etymology
From semi- + waveless.
Meanings
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(not-comparable) Having a small number of waves.
Waveless mattresses are for those who prefer a more stationary [night's sleep]; semiwaveless for those who want a slight rocking motion, and free-flow for sleepers who want the feel of a boat. All beds come with temperature controls, and king- and queen-size models offer dual controls.
1986 August 28, Patricia Leigh Brown, “17 YEARS OF THE WATER BED: A SOCIAL HISTORY; CHECKING OUT REFINEMENTS”, in The New York Times, archived from the original on 03 Feb 2018: