Or necek {nay'-sek}; from nacak; a libation; also a cast idol -- cover, drink offering, molten image.
see HEBREW nacak
H5262. necek
נֶ֫סֶךְ noun masculine drink-offering; — absolute ׳נ Genesis 35:14 6t.; נֵ֫סֶךְ Exodus 29:40; 30:9; Ezekiel 45:17; נָ֑סֶךְ Numbers 4:7; Joel 1:13; construct נֶסֶךְ Numbers 28:7; suffix נִסְכִּי Isaiah 48:5, etc.; plural נְסָכִים Jeremiah 7:18 9t.; suffix נְסָכֶיהָ Numbers 29:31, נִסְכֵּיכֶם 29:39, etc.; —
1 drink-offering, with עַל (on Jacob's מַצֵּבָה at Bethel) Genesis 35:14 (E); elsewhere in worship of ׳י only P and related documents; once of vessels of holy table הַנָּ֑סֶךְ קְשׂוֺת Numbers 4:7; elsewhere in classifications Leviticus 23:37; Numbers 29:39, usually offered with the עלה Exodus 29:40; Leviticus 23:13; 23:18; Numbers 15:5; 15:7; 15:10; 15:24; 28:7; 28:14; 28:31; 29:18; 28:21; 28:24; 28:27; 28:30; Numbers 28:33; Numbers 28:37, especially הַתָּמִיד עוֺלַת 28:9-10, 15, 24; 29:6, 11, 16, 19, 22, 25, 28, 31, 34, 38; הַבֹּקֶר מִנְחַת Exodus 29:41; Numbers 28:8; but sometimes also with (שׁלמים) זבח 6:15, 17; 15:15, 10; usually + מִנְחָה; elsewhere only 1 Chronicles 29:21; 2 Chronicles 29:35; Ezekiel 45:17; ׳וָנ מִנְחָה Joel 1:9, 13; 2:14. Offered to other gods 2 Kings 16:13, 15; Isaiah 57:6; Jeremiah 7:18; 19:13; 32:29; 44:17-18, 19 (twice in verse); 44:25; Ezekiel 20:28; Psalm 16:4.
2 molten images, Isaiah 41:29; 48:5; Jeremiah 10:14; 51:17. — Combinations are: נ ׳הִסִּיךְ נ, ׳נָסַךְ (see verb); נ ׳שָׁפַךְ Isaiah 57:6.