'Sixty-fourth' definitions:
Definition of 'sixty-fourth'
From: WordNet
adjective
The ordinal number of sixty-four in counting order [syn: sixty-fourth, 64th]
noun
One part in sixty-four equal parts [syn: one-sixty- fourth, sixty-fourth]
Definition of 'Sixty-fourth'
From: GCIDE
- Sixty-fourth \Six`ty-fourth"\, a. Constituting or being one of sixty-four equal parts into which a thing is divided. [1913 Webster]
- Sixty-fourth note (Mus.), the sixty-fourth part of a whole note; a hemi-demi-semiquaver. [1913 Webster]