From Japanese-German FreeDict Dictionary ver. 0.2.0:
[ichi1] [news1] [nf15] 斜め, (irregular okurigana usage) 斜, (word containing out-dated kanji) 傾, [ichi1] [news1] [nf15] ななめ, (out-dated or obsolete kana usage) なのめ
(nouns which may take the genitive case particle `no')
(adjectival nouns or quasi-adjectives (keiyodoshi))
(noun (common) (futsuumeishi))
斜(f) Schräge, (f) Schiefheit, (n) Abfallen, (f) Neigung, schräg, schief, abfallend, diagonal, geneigt
From Japanese-German FreeDict Dictionary ver. 0.2.0:
斜, はす, しゃ
(nouns which may take the genitive case particle `no')
(noun (common) (futsuumeishi))
斜め・1(f) Schrägheit, (f) Schräge, (f) Neigung