Sack, Straw Bag, Straw Sack
noun
The kanji and the word are exactly the same. That means they share meanings as well.
たわら
A bunch of sacks or straw bags are stacked upon each other to make a tower (たわら). Imagine walking into this sack tower and wonder how it's all held together. Such poor architecture.
俵先生は、自分の名前が俵なので、あの金の米俵のキーホルダーを鞄に付けていると言っていましたよ。
Tawara-sensei told us that her name means straw bag and that’s why she has a gold straw rice-bag keychain on her bag.