Noah Webster's Dictionary (n.) One who, or that which, narrows or contracts.

Multi-Version Concordance Narrower (3 Occurrences) Isaiah 28:20 For the bed is shorter than that a man can stretch himself on it: and the covering narrower than that he can wrap himself in it. (KJV ASV WBS YLT) Ezekiel 42:5 Now the upper chambers were shorter; for the galleries took away from these, more than from the lower and the middle, in the building. (See RSV NIV) Ezekiel 42:6 For they were on three floors, and they had no pillars like the pillars of the outer square; so the highest was narrower than the lowest and middle floors from the earth level. (BBE)