Open English Wordnet
Verbs
(v)bear down, overbearcontract the abdominal muscles during childbirth to ease delivery (v)charge, bear downto make a rush at or sudden attack upon, as in battle“he saw Jess charging at him with a pitchfork” (v)bear downexert full strength“The pitcher bore down” (v)bear downpay special attention to“The lectures bore down on the political background” (v)bear downexert a force or cause a strain upon“This tax bears down on the lower middle class”