dīˈkāzh(ē)əm noun
( plural dicha·sia -(ē)ə)
Etymology: New Latin, irregular from Greek dichasis division, halving, from dichazein to divide in half (from dicha in two) + -sis
: a cymose inflorescence that produces two main axes (as in a dichotomous cyme) — compare monochasium , polychasium