We found one dictionary that defines the word c-sei:

Miscellaneous (1 matching dictionary)

1. AbbreviationZ (No longer online)

▸ Words similar to c-sei ▸ Usage examples for c-sei ▸ Idioms related to c-sei ▸ Wikipedia articles (New!) ▸ Words that often appear near c-sei ▸ Rhymes of c-sei ▸ Invented words related to c-sei