whole note

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A note having the value of four beats in common time.

from The Century Dictionary.

• noun See note,14.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun music A musical note four beats long in 4/4 time.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a musical note having the longest time value (equal to four beats in common time)