Lewis & Short

inter-lūcĕo, luxi, 2, v. n., to shine or glitter forth at intervals (class.).

  1. I. Lit.: duos soles visos, et noctu interluxisse, Liv. 29, 14, 3: quia terrena quaedam animalia plerumque interlucent (in amber), Tac. G. 45, 4; Sol. 20, 3.
  2. II. Trop.
    1. A. To be manifest, plainly visible: loci interlucent, Auct. Her. 3, 19, 31: quibus inter gradus dignitatis et fortunae aliquid interlucet, by which the degrees of dignity and fortune are distinguished, Liv. 1, 42, 4.
    2. B. To be capable of being seen through (thin of substance or few in number), to be transparent: interlucet corona (militum), Verg. A. 9, 508: acies, Front. Strat. 2, 3, 16; Veg. Mil. 3, 14.