noun
faculty; professorate; group of professors
Refers to the teaching staff of a university or academic institution as a collective group. Often used in contexts discussing the composition, quality, or activities of the faculty.
この大学の教授陣は非常に優秀だ。
The faculty of this university is outstanding.
新入生は教授陣の紹介を受けた。
The new students were introduced to the group of professors.
教員 is a broader term for teaching staff at any educational level, whereas 教授陣 is specifically for university professors.
Compound of 教授 (professor) and 陣 (group, camp). The suffix 陣 is used to denote a collective body, similar to its use in words like 報道陣 (press corps).