cudgel

cudg|el /k'ʌdʒəl/ (cudgels)
1 [N-COUNT]
A cudgel is a thick, short stick that is used as a weapon.
2 [PHRASE] V inflects, oft PHR for/against n
If you take up the cudgels for someone or something, you speak or fight in support of them.
The trade unions took up the cudgels for the 367 staff made redundant.