六角形: a hexagon

論集: a collection of essays or treatises

(gambling, idiomatic) Snake eyes: two ones, after rolling two dice. / (derogatory, idiomatic) Wearing two layers of hitoemono (unlined summer-weight kimono).

(gambling, idiomatic) doubles: two of the same number other than 1, after rolling two dice / (gambling, idiomatic) in a forecast bet, betting that the same horse wins twice in a row

言論: speech (as in freedom of speech)

露営: camping out

露営: to camp out

ぞろ目: (gambling, idiomatic) doubles: two of the same number other than 1, after rolling two dice; (gambling, idiomatic) in a forecast bet, betting that the same horse wins twice in a row; (idiomatic) by extension, doubled numbers, or numbers that line up, such as the ones in a date like 2011/11/11

(astronomy) Fornax

焜炉: stove