Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
neck [nɛk] n (ANAT) ше́я; (of garment) во́рот; (of bottle) го́рлышко#
vi (inf) милова́ться (impf)
neck and neck вро́вень
to stick one's neck out (inf)лезть*(impf) на рожо́н
to risk one's neck (inf) рискова́ть (рискну́ть perf) голово́й
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.