saṃdhāna: (Birth-)relinking; a descriptive term for vijñāna. Same as pratisaṃdhi.

Sarvastivada Abhidharma, Sanskrit-English Glossary, by Bhikkhu KL Dhammajoti

saṃ-dhā́na mfn. joining, uniting, healing Suśr
• m. a partic. spell recited over weapons R
• N. of a minister Kathās
• (ī), f. mixing, distilling, the manufacture of fermented or spirituous liquors L
• a foundery or place where metals are wrought or stored L
• the small egg-plant L
• (am), n. the act of placing or joining together or uniting, junction, union Vait. MBh. &c
• assembling or meeting of men (○nam ā-√yā, 'to receive admission') Hariv. Kām. &c. [Page 1144, Column 3]
• a joint, point of contact, boundary TS. Lāṭy. Suśr
• a means of union TUp
• growing together, re-uniting, healing (as a wound) Suśr
• fixing on (as an arrow on a bow-string), aiming at MBh. R. BhP
• perceiving, perception Nalac
• combination of words (also, 'euphonic combination' = saṃ-dhi, q.v.) Prāt. ŚāṅkhŚr
• bringing together, alliance, league, association, friendship, making peace with (instr. with or without saha) MBh. Kāv. &c
• compounding, mixing, preparation (of a beverage &c
• cf. nīla-saṃdhāna-bhāṇḍa) ŚārṅgS. Bhpr
• sour rice-gruel L
• a kind of relish eaten to excite thirst L
• spirituous liquor L
• mixed or bell-metal (= saurāṣṭra) MW
• -karaṇa mf(ī)n. causing union or combination, who or what re-unites or heals or reconciles W
• n. the act of uniting or healing ib
• allying, making peace ib
• -kartṛ mfn. uniting, connecting, healing ib
• -kalpa-vallī f. N. of wk
• -kārin (MBh. Vāgbh.), -kṛt (Suśr.), mfn. (= -kartṛ)
• -tāla or -bhāva m. a kind of measure Pañcar
• ○nâsana n. = saṃ-dhāyâsana MBh

Sanskrit-English Dictionary, by M. Monier William