The Collaborative International Dictionary
Topsman
Topsman \Tops"man\, n.; pl. Topsmen.
The chief drover of those who drive a herd of cattle.
--P. Cyc.The uppermost sawyer in a saw pit; a topman.
--Simmonds.
Wiktionary
topsman
n. 1 The chief drover of those who drive a herd of cattle. 2 The uppermost sawyer in a sawpit; a topman.