to circle / to go back / to turn around / to answer / to return / to revolve / Hui ethnic group (Chinese Muslims) / time / classifier for acts of a play / section or chapter (of a classic book)

= + : Helga Horse (hu-) smuggled herself into the Eiffel Tower's kitchen (-ei2). She covered herself in an enclosure (囗) full of mandarins (口). Unfortunately, she missed one little detail: The box full of mandarins is to be shipped back (回) to China soon.
to curve / to return / to revolve
variant of 迴|回[hui2]

回 character breakdown

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

Mnemonic symbol: 口 shall be represented by a mandarin. Karl Marx (k-) is enjoying a mandarin in the outhouse's living room (ou3).
enclosure

Mnemonic symbol: a plastic enclosure. Willy Walrus (w) is keeping frozen fish in an enclosure (囗) in the Eiffel Tower's kitchen (ei2).

Characters with 回 as component

to curve / to return / to revolve
see 徘徊[pai2 huai2], to dither / to hesitate / to pace back and forth / irresolute

= + : Just inside the airplane's kitchen (ai2) Helga Horse (hu) cannot decide whether or not she should return (回) back to her hometown. She already put on her black sneakers (彳) but she keeps pacing back and forth (徊).
variant of 回[hui2]

= + : Let's say this one looks like a closet.
rustic / low / base / mean / to despise / to scorn

= + + + : The imperator (阝) thinks Brunhilde (bi) is despicable (鄙) because she wants to go back to earth. Inside of the space station (Ø3) she gets ready to return in her box full of mandarins (回) and dons her beret (亠). As a goodbye gift she throws a mandarin (口) towards the imperator and returns (回) to earth.
stingy

= + + : Mnemonic symbol: stingray.

The stingy stingray (啬) and the mean crocodile (丷) want to return (回) to the river using the elevator's toilet (e4), but lots of dirt (土) is blocking their way. They ask the elevator's boss Socrates (s) for help, but he doesn't make his hands dirty so he starts a boring monologue about living as an expat. As the stingray and the crocodile realize he won't help them they start crying out loudly.
surname Dan
sincere

= + + : Mnemonic symbol: to bow and show how earnest you mean it.

Don Quixote (d) ordered a beer at the bar in the anthill (an3). The barkeeper questions whether or not Don Quixote will return (回) the mug (旦) after he finishes his beer, so Don Quixote bows and shows how sincere (亶) he is by handing over his beret (亠) as security deposit.
fennel / aniseed
(bound form) fennel
eddying / whirling (of water) / to go against the current

Words with 回

to return (an item) / to send back / to go back
winding corridor / cloister / ambulatory (covered walkway around a cloister)
to recover (sth lost or stolen) / to get back
Longhui county in Shaoyang 邵陽|邵阳[Shao4 yang2], Hunan
see 遞歸|递归[di4 gui1]
to release from custody
Menyuan Hui Autonomous County in Haibei Tibetan Autonomous Prefecture 海北藏族自治州[Hai3 bei3 Zang4 zu2 Zi4 zhi4 zhou1], Qinghai
lit. once you've shot the arrow, there's no getting it back (idiom) / fig. once you started sth, there's no turning back / to have to finish what one started / to be determined to reach one's goals in spite of setbacks
inverted turn (ornament in music)

Sentences with 回

dà
wáng
huí
lái
le