a threaded nut with winglike projections for thumb and forefinger leverage in turning | a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt |
any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia | one of the two male reproductive glands that produce spermatozoa and secrete androgens |
| someone who is so ardently devoted to something that it resembles an addiction |
| a whimsically eccentric person |
| usually large hard-shelled seed |
| half the width of an em |