To glue back is to stick broken pieces together again. Glue back the handle, glue back the spine.
Clamping while it dries matters more than the amount of glue, which is what everybody gets wrong. To glue back a clean break works far better than one with pieces missing.
1phraseglue backTo stick broken pieces together again.
“He managed to glue back the handle so the join hardly showed.”
glue back is a phrase.
Practised in Repair & Damage