[f. as prec. + -IST.] One who goes on an expedition; an excursionist.
1841. Blackw. Mag., L. 449. Her travellers and expeditionists are exploring the frozen regions of either pole.
1861. Temple Bar, III. 393. Puffing expeditionists hurry helter-skelter through so many given cities.
1871. Proctor, Light Sc., 103. The zeal of the expeditionists averted the risk.