tolyl ion

https://doi.org/10.1351/goldbook.12597
Even-electron \(\ce{C7H7^{+}}\) ion with the same carbon skeleton as toluene that has lost a hydrogen atom from one of the ring carbons that carries the positive charge.
See also: benzyl ion
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1596 [Terms] [Paper]