He Tips or Lifts His Hat in Greeting

This page is the CodyCross answer for the clue below from Train Travel, Group 711, Puzzle 4 (Identification).

Question is: He Tips or Lifts His Hat in Greeting

and the answer is: DOFFER

Word Meaning:

DOFFER — (textile manufacturing) In a carding machine, a device such as a revolving cylinder or a vibrating bar with teeth, that doffs, that is to say strips off, the carded cotton or other fiber from the cards; or a hand tool for the same function in smaller machines or in manual carding.

Definitions from Wiktionary.