bobbing

[ bob-ing ]
/ ˈbɒb ɪŋ /

noun Radar.

the effect on a radarscope of the fluctuation of a radar echo because of alternating interference and reinforcement of the reflected waves.

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Origin of bobbing

Definition for bobbing (2 of 4)

Origin of bob

1
First recorded in 1400–50, bob is from the late Middle English word bobben. See bob2

Definition for bobbing (3 of 4)

bob2
[ bob ]
/ bɒb /

noun

verb (used with object), bobbed, bob·bing.

to cut short; dock: They bobbed their hair to be in style.

verb (used without object), bobbed, bob·bing.

to try to snatch floating or dangling objects with the teeth: to bob for apples.
Angling. to fish with a bob.

Origin of bob

2
1300–50; Middle English bobbe (noun) spray, cluster, bunch (of leaves, flowers, fruit, etc.); of uncertain origin

Definition for bobbing (4 of 4)

bob3
[ bob ]
/ bɒb /

noun

a tap; light blow.
a polishing wheel of leather, felt, or the like.

verb (used with object), bobbed, bob·bing.

to tap; strike lightly.

Origin of bob

3
1350–1400; Middle English bobben to strike, beat, perhaps imitative See bop2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for bobbing

British Dictionary definitions for bobbing (1 of 5)

Bob
/ (bɒb) /

noun

Bob's your uncle slang everything is or will turn out all right

Word Origin for Bob

C19: perhaps from pet form of Robert

British Dictionary definitions for bobbing (2 of 5)

bob1
/ (bɒb) /

verb bobs, bobbing or bobbed

noun

Word Origin for bob

C14: of uncertain origin

British Dictionary definitions for bobbing (3 of 5)

bob2
/ (bɒb) /

noun

verb bobs, bobbing or bobbed

Word Origin for bob

C14 bobbe bunch of flowers, perhaps of Celtic origin

British Dictionary definitions for bobbing (4 of 5)

bob3
/ (bɒb) /

verb bobs, bobbing or bobbed

to tap or cause to tap or knock lightly (against)

noun

a light knock; tap

Word Origin for bob

C13 bobben to rap, beat; see bop ²

British Dictionary definitions for bobbing (5 of 5)

bob4
/ (bɒb) /

noun plural bob

British (formerly) an informal word for a shilling (def. 1)

Word Origin for bob

C19: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012