a line feed (On a typewriter, the action of the carriage roller to push the page up one or more lines, often simultaneously with executing a carriage return)

(typography) the distribution of any plural number of lines and leads so that they fit a specific number of ems, for example, 2 or 3 lines within 4 ems

fishing method

fish species eaten in place of another species

(Internet slang) voice chatting while working

fish

(pest control) knockdown

not working, quitting one's duties / Short for 同盟罷業 (dōmei higyō, “strike”).

to go on strike

carnivorous fish