Meaning of 濃作 in Japanese

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Definition of 濃作

さく(saku) 【作】

こい(koi) 【濃い】

(adj-i) deep (colour); dark
そのピアノは美しい、濃い褐色の木で作られていました。
The piano was made of beautiful, dark brown wood.
strong (flavour, smell, etc.)
コーヒーはどんなふうにしましょうか。濃いブラックがいいですか。
How do you like your coffee? Strong and black?
thick (consistency); dense
血は水よりも濃し。
Blood is thicker than water.
strong (possibility, etc.)
thick (i.e. "as thick as thieves"); close; deep (love, etc.)