1. fusilier - Noun
2. Fusilier - Proper noun
Formerly, a soldier armed with a fusil. Hence, in the plural:
A title now borne by some regiments and companies; as, "The Royal Fusiliers," etc.
Source: Webster's dictionaryAmong Prussian regiments, "F/12th" denoted the fusilier battalion of the 12th Regiment.sfn The initial attack by Bauduin's brigade emptied the wood and park, but was driven back by heavy British artillery fire, and cost Bauduin his life. Source: Internet
The regiment was numbered as the 23rd Regiment of Foot, though it was one of the first regiments to be granted the honour of a fusilier title and so was known as The Welch Regiment of Fusiliers from 1702. Source: Internet