In algebra, it's a letter or symbol that stands in for an unknown value
a variable
Grazie
in Italian,
bedankt
in Dutch...
thank you
Hot dog! The tree rose seen here is named for this condiment pair
ketchup & mustard
Reagan:
"Mr. T, open this gate! Mr. T, tear down this wall!"
Gorbachev
New Zealanders know this fruit is native to China & has green flesh spattered with tiny, edible black seeds
a kiwi
Though guppies are freshwater fish, add this to their tank to help them build up a protective slime coat
salt
For a sphere, this measure is (4/3) pi r3
the volume
Bienvenue
in French,
talitali fiefia
in Tongan...
welcome
A new variety, Anna's Promise, is the first in a series of roses inspired by this British TV series
Downton Abbey
LBJ:
"The Great Pumpkin rests on abundance and liberty for all"
Society
The population of this country, the western third of Hispaniola, is almost entirely descended from African slaves
Haiti
Slow & nearly defenseless in its normal state, it's intimidating & hard to swallow after doing its thing
blowfish (or pufferfish)
A number that can be made by multiplying digits within it, like 1,260=21 x 60, is this monstrous type; 21 & 60 are the "fangs"
a vampire (number)
'Ohana
in Hawaiian,
perhe
in Finnish...
(feel free to do your best Vin Diesel!)
family
Introduced in 2010, the English rose seen here is named this, after Robin Hood's gal pal
the Maid Marion rose
Lincoln:
"A world divided against itself cannot stand"
house
He was a Democrat in Texas' state House in the 1980s, but a Republican as governor for 14 years
Rick Perry
You might say giddyap! to this long-snouted fish (yes, it is a fish) that sucks food into its cylindrical mouth
a seahorse
As they share a common vertex, angles A & B are said to be this type; note that A is directly on top of B
vertical
Ferrum
in Latin,
u'amea in Samoan...
iron
Like a '60s Donovan hit, they call the hybrid tea rose seen here this
Mellow Yellow
FDR:
"In the field of world policy I would dedicate this nation to the policy of the good time"
neighbor
In Genesis, this man says, "I shall be a fugitive and a vagabond in the earth"
Cain
Fishermen have reeled in over half-ton specimens of the blue type of this
a marlin
Velocity is this type of quantity that has both magnitude & direction
a vector
Tag
in German,
siku
in Swahili...
day
This very popular & common variety shares its name with a type of lettuce
iceberg
George H.W. Bush:
"A thousand points of purchase, of all the community organizations... doing good"
light
This Ivy League college's Rauner Special Collections Library is home to the Robert Frost collection
Dartmouth
You "betta" believe this type of "fighting fish" will even attack its own image in a mirror
a Siamese fighting fish