Sill vs Undefined - What's the difference?
sill | undefined |
(architecture) (also window sill ) A horizontal slat which forms the base of a window.
(construction) A horizontal, structural member of a building near ground level on a foundation or pilings or lying on the ground in earth-fast construction and bearing the upright portion of a frame. Also spelled cill. Also called a ground plate, groundsill, sole, sole-plate, mudsill. An interrupted sill fits between posts instead of being below and supporting the posts in timber framing.
(geology) A horizontal layer of igneous rock between older rock beds.
* 1980 , U.S. Government Printing Office,
A piece of timber across the bottom of a canal lock for the gates to shut against.
(anatomy) A raised area at the base of the nasal aperture in the skull.
Lacking a definition or value.
(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
As a noun sill
is (architecture) (also window sill ) a horizontal slat which forms the base of a window or sill can be (uk) a young herring or sill can be the shaft or thill of a carriage.As an adjective undefined is
lacking a definition or value.sill
English
Etymology 1
From (etyl) sille, selle, .Noun
(en noun)- She looked out the window resting her elbows on the window sill .
Geological Survey Professional Paper, Volume 1119
- Minor palingenetic magmas probably were generated at this time and intruded the mantling rocks in the form of small sills and apophyses;
- the nasal sill
Usage notes
Usually spelled cill when used in the context of canal or river engineering.Derived terms
* mudsill * groundsill * window sillQuotations
* (English Citations of "sill")Etymology 2
Compare sile.Etymology 3
Compare thill.Anagrams
* ----undefined
English
Adjective
(wikipedia undefined) (-)- The result of division by zero is undefined .