mot (karphos): A minute piece of anything dry or light, as straw, chaff, a splinter of wood, that might enter the eye. Used by Jesus in Mt 7:3 ff; Lu 6:41 f in contrast with "beam," to rebuke officiousness in correcting small faults of others, while cherishing greater ones of our own.
The International Standard Bible Encyclopedia
Mote
The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.