plural of second normal form

(genetics) Of or pertaining to both alleles of a gene (in a heterozygote).

(slang) Glock, handgun. / (US, slang) Hot dog (food). / (slang, vulgar, uncommon) Penis.

(sewing) A strong stitch, similar to a buttonhole stitch, used to finish and reinforce the edges of blankets etc. / A similar, more decorative stitch.