In a Layover, the woman inclines not backward, as in a Layback, but forward. She drapes her body against his and allows him to support her weight.
Sometimes it has a "cuddle from behind" kind of look.
(click on any thumbnail for a larger view)
A round dance in which the Layover was used conspicuously was Shibata's Beyond,
a phase V rumba. We did a Cross-Hand Underarm Turn to Tandem position
and then a Layover in which the man leaned forward a bit, and the woman
leaned her whole body against the man's back and stretched up on her