Boyd’s Bible Dictionary:
Pests throughout the East
(1 Sam. 24:14; 26:20).
Concise Bible Dictionary:
The well-known small insect, to which David compared himself when being hunted by Saul (1 Sam. 24:14; 1 Sam. 26:20).
Cat Flea picture under 35x zoom optical microscope.
Strong’s Dictionary of Hebrew Words:
Meaning:
probably from 6544 and 6211; a flea (as the isolated insect)