• tis‧sue
• 1 [countable] a piece of soft thin paper, used especially for blowing your nose on:
• a box of tissues
• 2 [uncountable] also tissue paper light thin paper used for wrapping, packing etc
• 3 [uncountable] the material forming animal or plant cells
• lung/brain etc tissue
• 4

   a tissue of lies

  British English a story or account that is completely untrue IN THE SEA.
• wet suit [countable]
• A tight piece of clothing, usually made of rubber, worn by people who are swimming, surfing etc in the sea

fun‧nel [countable]

• 1 a thin tube with a wide top that you use for pouring liquid into a container with a narrow opening, such as a bottle
• 2 British English a metal chimney that allows smoke from a steam engine or steam-ship to get out

• stom‧ach [countable]
• 1 the organ inside your body where food begins to bedigested
• 2 the front part of your body, below your chest:
• He turned round and punched Carlos in the stomach.
• 3

   do something on an empty stomach

  to do something when you have not eaten:
• You shouldn't take the pills on an empty stomach.
• 4

   turn your stomach

  to make you feel sick or upset:
• The sight of the slaughtered cow turned my stomach.
• 5

   have no stomach for a fight/task etc

  to have no desire to do something difficult, upsetting, or frightening
• 6

   have a strong stomach

  to be able to see or do things that are unpleasant without feeling sick or upset:
• Don't go and see this film unless you have a strong stomach.

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.