The spelling of the word "Guerrina" is not a commonly known one. The word could be pronounced /ɡəˈriːnə/ or [guh-ree-nuh]. The first two letters "Gu" followed by the letter "e" indicate that it could be a Spanish word, as "Gue" is a common digraph in Spanish. However, without context, it is unclear what the word means. Without further information, it may be difficult to properly understand and use this word correctly.