Hypertext Webster Gateway: "vap"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Vap \Vap\ (v[a^]p), n. [See {Vapid}.]
That which is vapid, insipid, or lifeless; especially, the
lifeless part of liquor or wine. [Obs.]
In vain it is to wash a goblet, if you mean to put into
it nothing but the dead lees and vap of wine. --Jer.
Taylor.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.