the world > movement > motion in specific manner > alternating or reciprocating motion > move to and fro or up and down [verb (intransitive)] > rise and fall (3)
To rise with alternate falling, as waves, or an object floating on them, the breast in deep breathing, etc. Also figurative.
intransitive. To move like a wave or waves, rise and fall in or as in waves; to be tossed up and down on the waves; literal or with conscious…