rat

nouns

any of various long-tailed rodents similar to but larger than a mouse
rat
is derived from
ratty
is a type of (narrower)
relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
gnawer, rodent
someone who works (or provides workers) during a strike
blackleg, rat, scab, strikebreaker
a person who is deemed to be despicable or contemptible
"only a rotter would do that"; "kill the rat"; "throw the bum out"; "you cowardly little pukes!"; "the British call a contemptible person a `git'"
bum, crumb, dirty dog, git, lowlife, puke, rat, rotter, scum bag, skunk, so-and-so, stinker, stinkpot
one who reveals confidential information in return for money
betrayer, blabber, informer, rat, squealer
a pad (usually made of hair) worn as part of a woman's coiffure
rat
is a part of
the arrangement of the hair (especially a woman's hair)
coif, coiffure, hair style, hairdo, hairstyle
is a type of (narrower)
a flat mass of soft material used for protection, stuffing, or comfort
pad

verbs

desert one's party or group of friends, for example, for one's personal advantage
rat
is derived from
ratter
is a type of (narrower)
desert (a cause, a country or an army), often in order to join the opposing cause, country, or army
"If soldiers deserted Hitler's army, they were shot"
defect, desert
employ scabs or strike breakers in
rat
is derived from
ratter
domain category
the organized action of making of goods and services for sale
"American industry is making increased use of computers to control production"
industry, manufacture
is a type of (narrower)
engage or hire for work
"They hired two new secretaries in the department"; "How many people has she employed?"
employ, engage, hire
take the place of work of someone on strike
blackleg, fink, rat, scab
is derived from
ratter
give (hair) the appearance of being fuller by using a rat
rat
is a type of (narrower)
line or stuff with soft material
"pad a bra"
fill out, pad
catch rats, especially with dogs
rat
is derived from
ratter
is a type of (narrower)
capture as if by hunting, snaring, or trapping
"I caught a rabbit in the trap today"
capture, catch
give away information about somebody
"He told on his classmate who had cheated on the exam"
betray, denounce, give away, grass, rat, shit, shop, snitch, stag, tell on
is derived from
ratter
is derived from
ratting