A bookcase (7)

I believe the answer is:

satchel

I'm a little stuck... Click here to teach me more about this clue!

'a bookcase' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

This is all the clue.

Can you help me to learn more?

(Other definitions for satchel that I've seen before include "Schoolbag for children's books" , "Shoulder bag as for schoolbooks" , "Schoolbag found in chalets" , "Schoolchild's carrier" , "Bag -- latches (anag)" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.