WordNet

follow, usually without the persons knowledge; "The police are shadowing her"
a dominating and pervasive presence; "he received little recognition working in the shadow of his father"
shade within clear boundaries
refuge from danger or observation; "he felt secure in his fathers shadow"
a premonition of something adverse; "a shadow over his happiness"
an inseparable companion; "the poor child was his mothers shadow"
make appear small by comparison; "This years debt dwarfs that of last year" (同)overshadow, dwarf
cast a shadow over (同)shade, shade off
herring-like food fishes that migrate from the sea to fresh water to spawn
bony flesh of herring-like fish usually caught during their migration to fresh water for spawning; especially of Atlantic coast
the act of following someone secretly (同)tailing

PrepTutorEJDIC

〈U〉陰,暗がり,物陰;《the shadows》夕やみ / 〈C〉(輪郭のはっきりした)『影』,人影,影法師 / 〈U〉(絵課の)陰影,暗部 / 〈C〉幻, 幻影;幽霊,亡霊 / 〈C〉(…の)かすかな影(気配)《+『of』+『名』》 / 《おもに否定文で》《a~》ごくわずか(の…)《+『of』+『名』〈抽象名詞〉》 / 〈C〉影のようにつきまとう人,尾行者,探偵 / 〈C〉《比喩的に》(悲しみ・憂うつ・不幸などの)暗影 / …‘を'影でおおう,陰にする / …‘を'尾行する / …‘に'暗い影を落とす,‘を'暗く(憂うつに)する
ニシン[の類]
nucleusの複数形