adv. 25B6; preposition
she walked along the corridor : DOWN, from one end of to the other.
trees grew along the river bank : BESIDE, by the side of, on the edge of, alongside.
they'll stop along the way : ON, at a point on, in the course of.
25B6; adverb
Maurice moved along past the other exhibits : ONWARDS, on, ahead, forward(s).
I invited a friend along : AS COMPANY, with one, to accompany one, as a partner.
25A0; along with TOGETHER WITH, accompanying, accompanied by; at the same time as; as well as, in addition to, plus, besides.