spreader
noun
spread·er ˈspre-dər 
: one that spreads: such as
a
: an implement for scattering material
b
: a small knife used especially for spreading butter
c
: a device (such as a bar) holding two linear elements (such as lines, guys, rails) apart and usually taut
Example Sentences
Mosquito are spreaders of disease.
Recent Examples on the Web Other herbicides are sold in a granular form which need to be spread throughout the weedy area either by hand or with a broadcast spreader. 
Renee Freemon Mulvihill, Better Homes & Gardens, 28 July 2022 Very lightweight on its own, the hammock chair can safely hold an impressive 500 pounds via use of the steel spreader bar, which also gives it the swing chair shape. Annie Burdick, PEOPLE.com, 26 July 2022 The teardown revealed thermal paste and graphite tape but no active cooling and not even a heat spreader. Samuel Axon, Ars Technica, 20 July 2022 Natural News, an anti-vaccine website credited with being a leading spreader of conspiracy theories long before the pandemic, has published unsubstantiated claims about Disney in recent months. al, 28 Apr. 2022 Monkeypox, unlike something like SARS-2, has historically not been considered to be a particularly efficient person-to-person spreader. Andrew Joseph, STAT, 3 June 2022 Be aware that mint is a rampant spreader and may need its own container to keep it from overrunning a mixed planting. Miri Talabac, Baltimore Sun, 4 May 2022 That was the presidential debate in Cleveland, which was also a super spreader event for the coronavirus if anybody remembers. Laura Johnston, cleveland, 10 June 2022 Some past research has suggested that grazing cattle could help prevent cheatgrass fires, but a more recent study shows cattle grazing as a spreader of cheatgrass. Luke Peterson, The Salt Lake Tribune, 18 Dec. 2021 See More
Renee Freemon Mulvihill, Better Homes & Gardens, 28 July 2022 Very lightweight on its own, the hammock chair can safely hold an impressive 500 pounds via use of the steel spreader bar, which also gives it the swing chair shape. Annie Burdick, PEOPLE.com, 26 July 2022 The teardown revealed thermal paste and graphite tape but no active cooling and not even a heat spreader. Samuel Axon, Ars Technica, 20 July 2022 Natural News, an anti-vaccine website credited with being a leading spreader of conspiracy theories long before the pandemic, has published unsubstantiated claims about Disney in recent months. al, 28 Apr. 2022 Monkeypox, unlike something like SARS-2, has historically not been considered to be a particularly efficient person-to-person spreader. Andrew Joseph, STAT, 3 June 2022 Be aware that mint is a rampant spreader and may need its own container to keep it from overrunning a mixed planting. Miri Talabac, Baltimore Sun, 4 May 2022 That was the presidential debate in Cleveland, which was also a super spreader event for the coronavirus if anybody remembers. Laura Johnston, cleveland, 10 June 2022 Some past research has suggested that grazing cattle could help prevent cheatgrass fires, but a more recent study shows cattle grazing as a spreader of cheatgrass. Luke Peterson, The Salt Lake Tribune, 18 Dec. 2021 See More Word History
First Known Use
15th century, in the meaning defined above