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Webster 1913 Edition

Opacous

O-pa′cous

,

Adj.

[L.

opacus

. See

.]

Opaque.

[R.]

Milton.

–

O-pa′cous-ness

,

Noun.

[R.]

Webster 1828 Edition

Opacous

OPA'COUS

,

Adj.

[L. opacus.]

1.

Not pervious to the rays of light; not transparent.

2.

Dark; obscure. [See Opake.]

Definition 2024

opacous

opacous

English

Adjective

opacous ‎(not comparable)

(obsolete) Opaque.
- Grew
  The upper wings are opacous; at their hinder ends, where they lap over, transparent, like the wing of a fly.