Pl. succi. [L.] A juice; in scientific terminology applied to (a) fluid secretions in an animal or vegetable body. (b) juices extracted from plants.
[1719. Quincy, Lex. Physico-Med. (1722), Succus, is any Juice.]
1771. Bp. Watson, Ess. Subj. Chem., Chem. Ess. 1787, V. 137. Wherever there is a vascular system, containing a moving nutritive succus, there is life.
1874. Garrod & Baxter, Mat. Med. (ed. 4), 263. He regards the succus [of hemlock] as the only reliable preparation of the drug for internal use.
