from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To laugh in a restrained, nervous way; giggle.
- n. A nervous giggle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A nervous or repressed giggle.
- v. To laugh or giggle in a somewhat subdued manner.
- v. To teeter; to seesaw.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To laugh with the tongue striking against the root of the upper teeth; to laugh with restraint, or without much noise; to giggle.
- n. A restrained laugh.
- intransitive v. To seesaw. See teeter.
from The Century Dictionary and Cyclopedia
- To move back and forth; sway; waver.
- To teeter; seesaw.
- To tremble.
- To laugh in a restrained or nervous manner, as from suppressed mirth, pleasure, or embarrassment; giggle; snicker.
- n. A restrained or nervous laugh; a giggle; a snicker. There's a titter of winds in that beechen tree.
- n. A weed, probably the hairy vetch. See tine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. laugh nervously
- n. a nervous restrained laugh
Probably imitative.(American Heritage® Dictionary of the English Language, Fourth Edition)