1. knock in - Noun
2. knock in - Verb
knock in
(card games, archaic) The game of lanterloo.
(obsolete, Oxford University slang) To enter college after hours—after half-past ten at night when the doors have been locked.
(snooker, transitive) To pot (a ball)
(snooker, transitive) To score (a break)
Source: en.wiktionary.orgMilton da Rocha Camargo, first counselor in the Sunday school general presidency, counseled Latter-day Saints to count their blessings and ask, seek and knock in prayer. Source: Internet
Researchers say that the feat is a critical first step toward the ability to knock out and knock in genes in cephalopods to address a host of biological questions. Source: Internet
Rangers will monitor the progress of Nigeria defender Leon Balogun after he was forced off with a head knock in the League Cup defeat at St Mirren on Wednesday night. Source: Internet
A little more than two minutes later the pair was at it again with Pyles using his head to knock in his third goal, this one off another throw in by Mancillas. Source: Internet
Lochside, who missed Iain MacMillan and Keith Burnett through injury, the latter suffering a knock in training, fielded the versatile Daniel Sloss in attack despite the fact he’d played most of the season in defence. Source: Internet
Sadly for Greg, David Heenan saved well but Mark Halliday was on hand to knock in the rebound and give the Jingly Jangly men some breathing space and see out the game. Source: Internet