sign in meaning
UK /saɪn ɪn/ US /saɪn ɪn/ 2 syllables
sign in (verb): announce one's arrival, e.g. at hotels or airports.
Definition of sign in
How to pronounce sign in
sign in is pronounced /saɪn ɪn/ in British English and /saɪn ɪn/ in American English. It has 2 syllables.
More about sign in on Wikipedia.