Moving or turning back and forth.

(ornithology) A large white crane, Grus leucogeranus, which breeds in Arctic Russia and western Siberia.

(archaic) Epilepsy.

Alternative spelling of sidefoot

Used other than figuratively or idiomatically: be sick. / (informal) To vomit.

Moving horizontally, from one side to another and back.

A child, conceived by selected IVF treatment, so as to have compatible tissue that could be used to treat an existing sick brother or sister

(idiomatic) A place where things are stored or reserved, as in:

(idiomatic) A direct, somewhat impolite demand to ask someone to move out of the way.

Paid absence from work specifically to recover from illness.