third hand
Having been relayed by two intermediate sources.
I heard the story from someone who got it from the horse's mouth. You're getting it third hand.
adj
The ordinal form of the cardinal number three; Coming after the second.
The third tree from the left is my favorite.
The second and third quarters of the shield are indecipherable on the stone but clearer in two other representations of the arms, a painted wooden funeral hatchment for Mary Davie[…]
noun
The person or thing in the third position.
Jones came in third.
One of three equal parts of a whole.
He ate a third of the pie. Divided by two-thirds.
Around a third of both Black and White respondents said they believed the opposition Labour Party to be institutionally racist.
Ellipsis of third gear (of a gearbox).
Now put it into third.
An interval consisting of the first and third notes in a scale.
They sing in thirds.
third base
The play ended with Jones standing on third.
verb
To agree with a proposition or statement after it has already been seconded.
To divide into three equal parts.