1. Plural of fianchetto; chess openings in which a bishop is developed to the long diagonal by advancing the b- or g-pawn one square.
Usage: chess term; typically used in the plural

1. Third-person singular present tense of fianchetto; to develop a bishop along the long diagonal by advancing the b- or g-pawn one square in chess.
Usage: chess term

Examples

• White fianchettos the kingside bishop in the opening.
• The player fianchettos both bishops to control the center from afar.
• Many modern openings feature fianchettos as a flexible setup.
• She fianchettos her bishop and prepares a long-diagonal attack.
• The fianchettos in this position give Black excellent piece placement.