A term for the subclass of Schiff bases $\ce{R2C=NR'}$, where $\ce{R'}$ = phenyl or substituted phenyl group. Thus, $N$-phenyl imines.
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1317 [Terms] [Paper]