1) Divided 2) Dual 1) Divided 2) Of or pertaining to dichotomy 
forking into two equal branches, resulting from an equal division of the growing tip.
divided almost equally into two parts
forked in pairs,or repeatedly divided into branches
Dividing into two equal branches. 
• (a.) Regularly dividing by pairs from bottom to top; as, a dichotomous stem.
Forking regularly into two equal branches or parts.
branching regularly and repeatedly in pairs
Forking into two equal branches resulting from division of the growing point. ... (09 Oct 1997) ... 
branching regularly and repeatedly in pairs
Forking or branching in pairs.
Forking regularly in pairs.
forking into two directions of essentially equal branches.
Forked regularly in two.
Di·chot'o·mous adjective [ Latin dichotomos , Greek ...; ... in two, asunder + 
Type: Term Pronunciation: dī-kot′ō-mŭs Definitions: 1. Denoting or characterized by dichotomy. Synonyms: dichotic1
forked in pairs,or repeatedly divided into branches
[adj] - divided or dividing into two sharply distinguished parts or classifications
adjective divided or dividing into two sharply distinguished parts or classifications
Dividing into two equal branches.
divided or dividing into two parts. · of or pertaining to dichotomy.