fusilier
/ˈfjuːsɪljər/ or /ˌfuːsɪˈliːər/Definitions
1. noun
a soldier who is part of the infantry and specializes in using a fusil (a type of musket) or other firearms, especially in a light infantry role.
“The fusiliers played a crucial role in the battle by providing suppressive fire for the advancing troops.”
2. noun
historically, a member of a corps of soldiers trained to handle the fusil, a light field gun or mortar.
“The fusiliers were used to lay down a barrage in support of the infantry assault.”