Criticise - form of support (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
rail
(Other definitions for rail that I've seen before include "A bird; bar to hang on" , "Perch" , "Length of track" , "Bar - marsh bird" , "Use abusive language" .)
I believe the answer is:
rail
(Other definitions for rail that I've seen before include "A bird; bar to hang on" , "Perch" , "Length of track" , "Bar - marsh bird" , "Use abusive language" .)