A slight or gentle sound.

A ‘string’ of any viscid substance; a thin continuous stream of liquid, sand, etc.; a narrow strip of space; a fine line or streak of colour or…

(under-, prefix1 affix 4b(b).)

A subdued note; an undertone or suggestion.

A low or subdued tone. of sound. Also attributive.

The sound produced by a light blow (see sense 1a above); hence, any slight, sharp sound.

(under-, prefix1 affix 4b(b).)

(under-, prefix1 affix 4b(b).)

transferred. Of inanimate things.