Lying against anything, as one part of a leaf against another leaf.

Cotyledons with margins folded against the hypocotyl.

lying down; in a position of comfort or rest

Cotyledon arrangement: Lying along or against another body, e.g. the cotyledons haveing their edges agianst the radicle.

of the orientation of an embryo, with the radicle lying against the edges of the two cotyledons.