As your google search probably indicated, desanguination is used very, very rarely. Perhaps more strikingly, the OED doesn’t have a single reference to it, which suggests that it isn’t being used much historically, either. By contrast, the OED gives several citations for the word exsanguinate in the mid-1800s, so the word was certainly in use by 1900.
I can't think of many terms for this... all I can think of is a crossing or railroad crossing (Merriam Webster).
As for the "red-white" thing I would call it a gate or railway/railroad crossing gate - very descriptive terms, but that is what I would use.
As for your sentence I would say "At the railroad crossing, when the gates finally lowered, it was obvious I would be late for the party".
Check out the "Rail crossing warning signs" from Wisconsin, there might be other resources from other parts of the English speaking world?
AFAIK, barrier is more common in British English for the "gates" talked about above. Australian English i have heard of booms - but about these two I'm not the one who should be asked ;-)
Best Answer
Hoarse typically indicates something has changed temporarily in the timbre of the voice. This could be caused by an inflammation of the vocal chords (laryngitis) which can be cause by a cold, or over-stressing the voice (yelling), acid-reflux, among other things.
While husky can apply to both men and women, it is mostly used to describe women with low-pitched voices, often, but not always, gravelly. Kathleen Turner, Stevie Nicks, or Melissa Etheridge come to mind.
Raspy voices are the opposite of smooth. Where Sinatra or Nat King Cole had silky smooth voices, Ray Charles, or Eric Burden have gravelly, gritty voices. (I can give more contemporary examples if needed)
Hoarse is the best one to use when describing the condition to a doctor. Another common phrase is "lost my voice", often an extreme example of being hoarse, where almost no sound is produced.