digit sucking

Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.

digit suck·ing

(dijit sŭking)
Sucking fingers, thumbs, or toes.
References in periodicals archive ?
Digit sucking is a common phenomenon in the paediatric age group, which represents the earliest form of habitual manipulation of the body.
This study assessed the associations between pacifier use, digit sucking, child care attendance, and breastfeeding cessation among 1387 infants in the Iowa Fluoride Study.