pick-cheese
/ˈpɪktʃiːz/English regional (chiefly East Anglian )
noun
1The blue tit, Parus caeruleus.
2The seeds or fruit of the common mallow, Malva sylvestris. Compare cheese.
Origin
Early 19th century; earliest use found in Robert Forby (1759–1825), philologist. From pick- + cheese. With sense 1 compare quot. 1999 at sense 1.