air travel,
aviation,
air travel via aircraft; "air travel involves too much waiting in airports"; "if you've time to spare go by air"
crab -
scurry sideways like a crab
scamper,
scurry,
scuttle,
skitter to move about or proceed hurriedly; "so terrified by the extraordinary ebbing of the sea that they scurried to higher ground"
kvetch,
plain,
quetch,
complain,
sound off,
kick make a formal accusation; bring a formal charge; "The plaintiff's lawyer complained that he defendant had physically abused his client"
crab -
By analogy with the movement of a crab To movesideways of an aircraft, such as a glider.
crab -
By analogy with the movement of a crab To navigate an aircraft, e. g. a glider sideways against an air current in order to maintain a straight-line course.
crab -
To fly slightly off the straight-line course towards an enemy aircraft, as the machine guns on early aircraft did not allow firing through the propeller disk.
crab -
British dialect To cudgel or beat, as with a crabstick.
Wikipedia
True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail", or where the reduced abdomen is entirely hidden under the thorax. Many other animals with similar names – such as hermit crabs, king crabs, porcelain crabs, horseshoe crabs and crab lice – are not true crabs.
OmegaWiki Dictionary
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crab A decapod crustacean covered with a thick exoskeleton, and armed with a single pair of claws.
crab The fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22.
crab A person who is born while the sun is in Cancer.