Definify.com

Webster 1913 Edition

Subingression

Subˊin-gres′sion

,

Noun.

Secret entrance.

[R.]

Boyle.

Webster 1828 Edition

Subingression

SUBINGRESSION

,

Noun.

[L. Sub and ingressus.] Secret entrance. [Not in use.]

Definition 2024

subingression

subingression

English

Noun

subingression ‎(uncountable)

(obsolete) secret entrance
(Can we find and add a quotation of Boyle to this entry?)