わらwaraワラwara
1.

A dried material made from the stalks of plants such as rice or wheat, often used for bedding, insulation, or as a building material.

2.

A representation of a desperate situation, where one clings to the least reliable option in times of great hardship.

Example:

あのわらは火が付きやすい。

まきわら巻藁makiwara
1.

A bundled formation of straw used as a target for practicing various forms of striking techniques in martial arts and archery.

2.

A cylindrical assembly of straw designed to absorb and simulate the impact of weapon strikes for training purposes.

3.

A traditional training tool in martial arts that consists of wrapped straw, serving as a substitute for a more advanced target or opponent.