threshold
noun(thresh-old)
the plank, stone, or piece of timber that lies under a door : sill
threshold
noun(thresh-old)
gate, door
threshold
noun(thresh-old)
end, boundary; specifically : the end of a runway
threshold
idiom(thresh-old)
at the beginning of something or very close to something (such as a new condition, an important discovery, etc.) —usually + of
threshold
noun(thresh-old)
the level at which someone experiences pain