(lit: accumulation): 'group', 'body', may either
refer to the physical body (rūpa-kāya) or to the mental body (nāma-kāya).
In the latter case it is either a collective name for the mental groups
(feeling, perception, mental constructions, consciousness; s. khandha), or
merely for feeling, perception and a few of the mental constructions (s. nāma),
e.g. in kāya-lahutā, etc. (cf. Tab. II).
Kāya has this same
meaning in the standard description of the 3rd absorption (jhāna, q.v.)
"and he feels joy in his mind or his mental constitution (kāya)",
and (e.g. Pug. 1-8) of the attainment of the 8 deliverances (vimokkha,
q.v.); "having attained the 8 deliverances in his mind, or his person (kāya)."
Kāya is also the 5th sense-organ, the body-organ; s. Āyatana,