large building and lofty tower; magnificent structure
A yojijukugo (four-character compound) used to describe grand, palatial architecture. Literary and somewhat rare in everyday speech.
In that city, large buildings and lofty towers stand side by side.
He lives in a palatial mansion.
高層建築 is a common, neutral term for high-rise buildings, while 大廈高楼 is a literary yojijukugo emphasizing grandeur.
A yojijukugo composed of 大 (large), 廈 (mansion), 高 (tall), and 楼 (tower). The exact historical derivation is uncertain, but it is a classical Chinese-style compound used to evoke impressive architecture.