"It marked the passing of the horse-drawn vehicle".
(3 letters and I have R-T) Maybe there's some
hidden connotation but I can't see this one right now.
Thanks for the replies, folks - it looks like I might go
for jazzgirl's RUT. There are often quite a few weak
clues in this daily puzzle and this seems to be one of them!
Chrise
the word you may have been thinking of has just been deposited in the lane outside my window. The culprits were a pair of Metropolitan Police horses out for their morning ride