from The Century Dictionary.
- Secretive; cautious in speaking.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Closemouthed; silent.
Sorry, no etymologies found.
But whether she means to bide wi 'the family or has come to lodge while lookin' out for another place, I can't certainly say -- the Tregarthens bein 'a close-tongued lot, as you know. "
"Now, lovey, don't ask me about doctors, 'cos I don't know nothin' and wants to know nothin ', for they be close-tongued folk who never sez what they thinks lest they get their blessed selves into hot water.