/ Dictionary / Index I Issei: Meaning and Definition of Find definitions for: Is•sei Pronunciation: (ēs'sā'), [key] — pl. -sei. a Japanese who immigrated to the U.S. or Canada after 1907 and was not eligible until 1952 for citizenship. any Japanese immigrant to the U.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Issacharite ISSN Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language