adv.
Pronunciation: ə - ' lo ̇ ŋ
Function: preposition
Etymology: Middle English, from Old English andlang, from and- against + lang longitude ― more at ANTE-
Date: before 12th century
1 : in a line matching the length or direction of <walking along the road> also : at a point or points on <a house along the river>
2 : in the course of <made stops along the way>
3 : in accordance with : IN <a new agreement along the lines of the first>