Definition of by-lane:
(adv) :
Along a path which runs past someone or something.
(adv) :
In the vicinity, near.
(adv) :
To or at a place, as a residence or place of business.
(adj) :
Out of the way, off to one side.
(adv) :
(uncommon except in set phrases) Beyond or past a certain point.
(adv) :
(uncommon outside the phrase 'put by') Aside, away.