Square Bottomed Carrier Created by Margaret Knight

This page is the CodyCross answer for the clue below from Small World, Group 686, Puzzle 1 (Bacteria and Viruses).

Question is: Square Bottomed Carrier Created by Margaret Knight

and the answer is: PAPERBAG

Word Meaning:

PAPER BAG — A bag made of paper, especially a firm brown kind intended for carrying groceries.

Definitions from Wiktionary.