البَيْتِ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – البَيْتِ is a noun

A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive

البَيْتُ is the natural state of a definite noun and it changes to البَيْتِ due to: 1) a preposition that precedes it or 2) a possessed noun that precedes it or 3) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

House

To pass the night, spend the night

Grammatical analysis of البَيْتِ
اسْمٌ مَجْرُوْرٌ بِالكَسْرَةِ الزَّاهِرَةِ
Surah/Below are the 10 verses in the holy Quran consisting of the definite, genitive nounالبَيْتِ
Verse
2-127
3-97
8-35
11-73
22-26
22-29
22-33
33-33
52-4
106-3So let them worship the Lord of this houseفَلْيَعْبُدُوْا رَبَّ هَذَا الْبَيْتِ