Patanjali Yoga Sutra 3.3

Sanskrit Sutra

तदेवार्थमात्रनिर्भासं स्वरूपशून्यमिव समाधिः॥३॥

Swami Vivekananda's translation

When that, giving up all forms, reflects only the meaning, it is Samādhi.

Chapter link: Yoga Sutra Chapter 3