a, b, l, y are letters that make 'layby'
la, YB, Yb, lay, by, LA, La are words within 'layby'
1 possible definitions for 'layby'
Under this definition, layby is a noun and has the following properties:
pull-off, rest area, rest stop, lay-by have the same meaning as 'layby'
'layby' can be a type of area.