The term 'PECK AT' can be solved by the crossword solutions 'EAT' and 'NAG'. 'EAT' is a verb meaning to consume food, while 'NAG' is a verb meaning to constantly criticize or complain. Together, these two words form the phrase 'PECK AT', which means to pick at something in a repetitive manner, usually with one's fingers. This phrase is often used to describe someone who is eating in a slow, methodical way.