I am very tall. I stand at 6ft nine inches tall.
That's pretty tall. Did you play basketball? 
Yes I played college ball. For 4 years and tore my ACL my junior year.
Height is sometimes used as a name for more abstract definitions, like in algebra.
I din't know that. Very interesting. I was never good at Algebra.
from Proto-Germanic *"xauxa-z", from a PIE base "*keuk-". The derived noun "height", also the obsolete forms "heighth" and "highth", is from Old English "híehþo", later "héahþu", as it were from Proto-Germanic "*xaux-iþa".
In mathematics.
In elementary models of space, height may indicate the third dimension, the other two being length and width. Height is normal to the plane formed by
. Bartoli said: "I'd known John a long time, and I knew what he was trying to say. At the end of the day I am a tennis player, I know I'm not 6ft tall, I'm not the same long, lean shape as Maria Sharapova, but the beauty of tennis is that anyone can win, tall or short. Something the press took to be negative to me was a positive... In my mind it was never really a story."
Controversy 2016 Summer Olympics