垠 (yín) — (bound form) boundary, limit | TongTong Chinese Dictionary

Definition

垠 (yín) is a literary bound form meaning 'boundary / limit', almost always seen in the set phrase 无垠 ('boundless'). You will not use it on its own.

bound form

(bound form) boundarylimit

，。
Zài wú yín de yǔ zhòu zhōng, rén lèi xiǎn de hěn miǎo xiǎo.
In the boundless universe, humans seem very small.
，。
Zhè piàn cǎo yuán yí wàng wú yín, fēi cháng zhuàng guān.
This grassland stretches endlessly, very spectacular.
。
Tā de xiōng huái xiàng dà hǎi yí yàng wú yín.
His mind is as boundless as the ocean.