benzylic groups

Arylmethyl groups and derivatives formed by substitution: ArCR2–, Benzyl, C6H5CH2–, is the prototype. The term 'benzylic position' or 'benzylic site' refers to the saturated carbon atom. A group, such as –OH, attached at a benzylic site is sometimes referred to as 'benzylic'.
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1322