tetrachotomous, a. Zool. and Bot.
(tɛtrəˈkɒtəməs)
[f. Gr. τέτραχα in four parts + -τοµος cut + -ous.]
Ramifying into four branches or divisions; doubly dichotomous.
| 1829 Loudon Encycl. Pl. (1836) 403 note, Peduncles [of Euphorbia]..often dichotomous, trichotomous, or even tetrachotomous. |