Laghukoshasamgraha 18.284

18.284

aṅgaṇaṃ catvaraṃ tulye ajiraṃ prāṅgaṇaṃ tathā |
argalā parighaḥ sālpā sūcirargalikā punaḥ ||

*aṅgaṇa* and *catvara* are equivalent, as are *ajira* and *prāṅgaṇa* [for a courtyard]. / A crossbar or door-bolt is *argalā* and *parigha*; a small bolt is *sūci* and *argalikā*;