There are 2 results of your search for grid1.
grid1
bicycle: I rode my grid today.
Contributor's comments: Used as a term for a gent's pushbike in Maryborough Qld in the early Sixties.
Contributor's comments: As a child growing up in Taree NSW in the 50's the word grid was often used in reference to a push bike or bicycle.
Contributor's comments: We used grid for bicycle in Melbourne in the 1940s/50s.
Contributor's comments: Used in late 1950's on Central Coast, NSW - meaning bicycle - I haven't heard it for years.
Contributor's comments: Sorry but I've never heard of grid as a word meaning bicycle - have live in SA most of my life - maybe comes from a particular vicinity?
Contributor's comments: The word grid was a term used to describe a bicycle when I was young. I notice on the map that it is restricted to S.A. but it was definitely used around Brisbane in the 1950s.
Contributor's comments: Grids were also ridden in Kalgoorlie, W.A. when I was growing up there.
Contributor's comments: Disagree with your regionalisation. My friends and I used this word as a schoolboys in Darwin, Melbourne, and Brisbane.
Contributor's comments: In Swan Hill (Vic) in early 60s, "grid" was used for bicycle.
Contributor's comments: When I grew up in Bunbury WA 1940-early 1950's grid was the only word we new for bicycles. This is certainly not SA only.
Contributor's comments: As a child in Wagga I commonly used to dink my younger brother on my grid. Neither term shows Wagga as an area of usage.
Contributor's comments: The word "Grid", or sometimes "Grid-iron" was probably the most common word used to mean bicycle among Adelaide school children during the late '40s and '50s.
grid2
a stock barrier that is imbedded into roads where they pass through a fence. Compare cattle grate, cattle grid, cattle ramp, ramp.