A dibber (gardening tool)

One of the small bones in the knee joints of sheep uniting the bones above and below the joints.

To dig a hole by poking; especially, to dig a small hole in soil for the purpose of planting a bulb or seed

To move in a rapid, cautious manner; especially, with movement like a mouse or rat.

(sometimes humorous) In the scouting movement, to chant dyb, meaning "do your best" (to follow the scouting laws).