fourth-year university student; senior
Used primarily in the context of a four-year university program to refer to a student in their final year.
He is a fourth-year student and plans to graduate next year.
When you become a fourth-year student, job hunting gets into full swing.
Standard kanji spelling using the numeral 四.
Variant using the Arabic numeral 4; common in casual or digital contexts.
Compound of 四 (four) + 回 (counter for occurrences, here referring to academic years) + 生 (student). The reading よんかいせい follows standard on'yomi patterns.