third man

noun

1

: an offside fielding position in cricket usually near the boundary and roughly in line with third slip and the striker

also : a player fielding in this position

2

[translation of Greek tritos anthrōpos] : a logical paradox in which the attempt to pass from one thing to another or to relate one conception to another reveals the necessity of a third and intervening thing or conception and hence leads to an infinite regress

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