(idiomatic) To work through the details of something; especially to work through difficulties.

The curved part of a sword-guard that covers the fingers.

(cricket) The batsman who bats third. / (theater) A small town where theatrical performances are unlikely to meet with much success.

(programming) A word that may be included in source code for clarity but does not change the meaning. / (computing) A stop word, one ignored in search queries etc.