Definify.com
Webster 1913 Edition
Rattler
Rat′tler
(răt′tlẽr)
, Noun.
 One who, or that which, rattles. 
Ground rattlesnake 
(Zool.)
, a small rattlesnake (
– Caudisona miliaria 
or Sistrurus miliaria
) of the Southern United States, having a small rattle. It has nine large scales on its head. Rattlesnake fern 
(Bot.)
, a common American fern (
– Botrychium Virginianum
) having a triangular decompound frond and a long-stalked panicle of spore cases rising from the middle of the frond. Rattlesnake grass 
(Bot.)
, a handsome American grass (
– Glyceria Canadensis
) with an ample panicle of rather large ovate spikelets, each one composed of imbricated parts and slightly resembling the rattle of the rattlesnake. Sometimes called quaking grass
. Rattlesnake plantain 
(Bot.)
, See under 
– Plantain
. Rattlesnake root 
(Bot.)
, a name given to certain American species of the composite genus 
– Prenanthes 
(Prenanthes alba 
and Prenanthes serpentaria
), formerly asserted to cure the bite of the rattlesnake. Called also lion’s foot
, gall of the earth
, and white lettuce
. Rattlesnake's master 
(Bot.) 
(a) 
A species of Agave (
. Agave Virginica
) growing in the Southern United States(b) 
An umbelliferous plant (
. Eryngium yuccaefolium
) with large bristly-fringed linear leaves(c) 
A composite plant, the blazing star (
– Liatris squarrosa
). Rattlesnake weed 
(Bot.)
, a plant of the composite genus 
 Hieracium 
(Hieracium venosum
); – probably so named from its spotted leaves. See also Snakeroot
.Definition 2025
rattler
rattler
English
Noun
rattler (plural rattlers)
- (chiefly US, informal) A rattlesnake.
 - A freight train or, (chiefly Britain), a decrepit passenger train.
 - Something which rattles.
 
Translations
rattlesnake — see rattlesnake
freight train
something which rattles