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sight|see|ing /sa I tsiː I ŋ/ also sight-seeing N‑UNCOUNT If you go sightseeing or do some sightseeing , you travel around visiting the interesting places that tourists usually visit. □  …a day's sight-seeing in Venice. □  …a sightseeing tour.

sight|seer /sa I tsiːə ^r / (sightseers ) N‑COUNT A sightseer is someone who is travelling around visiting the interesting places that tourists usually visit. □  …coachloads of sightseers.

sign ◆◆◆ /sa I n/ (signs , signing , signed )

1 N‑COUNT A sign is a mark or shape that always has a particular meaning, for example in mathematics or music. □  Equations are generally written with a two-bar equals sign.

2 N‑COUNT A sign is a movement of your arms, hands, or head which is intended to have a particular meaning. □  They gave Lavalle the thumbs-up sign. □ [+ of ] He made a sign of assent.

3 VERB If you sign , you communicate with someone using sign language. If a programme or performance is signed , someone uses sign language so that deaf people can understand it. □ [be V -ed] All programmes will be either 'signed' or subtitled. [Also V , V n]

4 N‑COUNT A sign is a piece of wood, metal, or plastic with words or pictures on it. Signs give you information about something, or give you a warning or an instruction. □  …a sign saying that the highway was closed because of snow.

5 N‑VAR If there is a sign of something, there is something which shows that it exists or is happening. □ [+ of ] They are prepared to hand back a hundred prisoners of war a day as a sign of good will. □ [+ of ] Your blood would have been checked for any sign of kidney failure.

6 VERB When you sign a document, you write your name on it, usually at the end or in a special space. You do this to indicate that you have written the document, that you agree with what is written, or that you were present as a witness. □ [V n] World leaders are expected to sign a treaty pledging to increase environmental protection.

7 VERB If an organization signs someone or if someone signs for an organization, they sign a contract agreeing to work for that organization for a specified period of time. □ [V n] The Blues' boss planned to sign a big-name striker in January. □ [V + to ] The band then signed to Slash Records. [Also V ] [Also V + for ]

8 N‑COUNT In astrology, a sign or a sign of the zodiac is one of the twelve areas into which the heavens are divided. □  The New Moon takes place in your opposite sign of Libra on the 15th.

9 → see also signing , call sign

10 PHRASE If you say that there is no sign of someone, you mean that they have not yet arrived, although you are expecting them to come. □  The London train was on time, but there was no sign of my Finnish friend.

11to sign one's own death warrant → see death warrant

▸  sign away PHRASAL VERB If you sign something away , you sign official documents that mean that you no longer own it or have a right to it. □ [V P n] The Duke signed away his inheritance. □ [V n P ] They signed the rights away when they sold their idea to DC Comics.

▸  sign for PHRASAL VERB If you sign for something, you officially state that you have received it, by signing a form or book. □ [V P n] When the postal clerk delivers your order, check the carton before signing for it.

▸  sign in PHRASAL VERB If you sign in , you officially indicate that you have arrived at a hotel or club by signing a book or form. □ [V P ] I signed in and crunched across the gravel to my room.

▸  sign off