What is the meaning of Shepherd's_pipe?

5-letter words containing

• 5-letter words containing r

• 5-letter words containing p

• 5-letter words containing t

• 5-letter words containing t

• 5-letter words containing k

5-letter words starting with

• 5-letter words starting with u

• 5-letter words starting with c

• 5-letter words starting with a

• 5-letter words starting with h

• 5-letter words starting with p

5-letter words in the middle

• 5-letter words in the middle t

• 5-letter words in the middle i

• 5-letter words in the middle n

• 5-letter words in the middle n

• 5-letter words in the middle d

5-letter words ending with

• 5-letter words ending with t

• 5-letter words ending with u

• 5-letter words ending with r

• 5-letter words ending with i

• 5-letter words ending with p

5-letter words excluding

• 5-letter words excluding e

• 5-letter words excluding b

• 5-letter words excluding c

• 5-letter words excluding l

• 5-letter words excluding f