n.
Function: transitive verb
Date: 1832
1 : to propagate (a plant) by means of layers
2 a : to place as a layer b : to place a layer on top of <pancakes layer ed with butter and syrup> c : to form or arrange in layers
intransitive verb
1 a : to separate into layers b : to form out of superimposed layers
2 of a plant : to form roots where a stem comes in contact with the ground