verb
(transitive) To lay (something) as in a bed; to lay in surrounding matter; to bed.
(transitive, by extension) To include (something) in surrounding matter.
(transitive, computing) To encapsulate within another document or data file.
(mathematics, transitive) To define a one-to-one function from one set to another so that certain properties of the domain are preserved when considering the image as a subset of the codomain.
noun
One thing embedded within another, as: