a. [ Gr. dike`falos; di- = di`s- twice + kefalh` head. ] Having two heads on one body; double-headed. [ 1913 Webster ]

a. [ See Acephal. ] [ 1913 Webster ]

1. Headless. [ 1913 Webster ]

2. (Zool.) Without a distinct head; -- a term applied to bivalve mollusks. [ 1913 Webster ]

3. (Bot.) Having the style spring from the base, instead of from the apex, as is the case in certain ovaries. [ 1913 Webster ]

4. Without a leader or chief. [ 1913 Webster ]

5. Wanting the beginning. [ 1913 Webster ]

A false or acephalous structure of sentence. De Quincey. [ 1913 Webster ]

6. (Pros.) Deficient at the beginning, as a line of poetry. Brande. [ 1913 Webster ]