'Unbottomed' definitions:

Definition of 'Unbottomed'

From: GCIDE

Unbottomed \Un*bot"tomed\, a.
1. [1st pref. un- + bottom + -ed.] Deprived of a bottom. [1913 Webster]
2. [Pref. un- not + bottomed.] Having no bottom; bottomless. --Milton. [1913 Webster]