av.

Noun

avenue (plural avenues)

1. A broad street, especially one bordered by trees or, in cities laid out in a grid pattern, one that is on a particular side of the city or that runs in a particular direction.
   • Finding an address east to west is fairly simple . The numbering begins at Central Avenue and moves logically and predictably either west through the avenues or east through the streets, so you know that 2400 East Camelback is at Twenty-Fourth Street or 4300 West Indian School is at Forty-Third...2009, Carrie Frasure, Arizona Off the Beaten Path®: A Guide to Unique Places, →ISBN, page 111

   Synonyms:

   drive, boulevard, av., av, ave., ave

2. A way or opening for entrance into a place; a passage by which a place may be reached; a way of approach or of exit.
   • [S]ome have used to get on the top of the higheſt Steeple, vvhere one may vievv with advantage, all the Countrey circumjacent, and the ſite of the City, vvith the advenues and approaches about it; and ſo take a Landskip of it.1642, James Howell, “Section III”, in Instructions for Forreine Travell. […], London: […] T. B. for Humprey Mosley [i.e., Humphrey Moseley] […], →OCLC, page 32
3. The principal walk or approach to a house which is withdrawn from the road, especially, such approach bordered on each side by trees; any broad passageway thus bordered.
   • They said nothing further, but tramped on in the growing darkness, past farm steadings, into the little village, through the silent churchyard where generations of the Pallisers lay, and up the beech avenue that led to Northrop Hall.1907 January, Harold Bindloss, chapter 1, in The Dust of Conflict, 1st Canadian edition, Toronto, Ont.: McLeod & Allen, →OCLC
4. A method or means by which something may be accomplished.
   • There are several avenues by which we can approach this problem.