SIB
sibling, sib
(noun) a person’s brother or sister
Source: WordNet® 3.1
Etymology 1
Adjective
sib
Having kinship or relationship; related by same-bloodedness; having affinity; being akin; kindred.
Etymology 2
Noun
sib (plural sibs)
Kindred; kin; kinsmen; a body of persons related by blood in any degree.
A kinsman; a blood relation; a relative, near or remote; one closely allied to another; an intimate companion.
A sibling, brother or sister (irrespective of gender)
(biology) Any group of animals or plants sharing a corresponding genetic relation
A group of individuals unilaterally descended from a single (real or postulated) common ancestor
Etymology 3
Verb
sib (third-person singular simple present sibs, present participle sibbing, simple past and past participle sibbed)
(transitive) To bring into relation; establish a relationship between; make friendly; reconcile.
Etymology 4
Verb
sib (third-person singular simple present sibs, present participle sibbing, simple past and past participle sibbed)
(intransitive, clinical psychology) To engage in repetitive behaviors such as eye-poking, skin-picking, hand-biting, or head-banging.
Anagrams
• BSI, IBS, IBs, bis, bis-
Proper noun
SIB
(UK, military) Initialism of Special Investigation Branch.
(clinical psychology) Initialism of self-injurious behavior.
Anagrams
• BSI, IBS, IBs, bis, bis-
Source: Wiktionary
Sib, n. Etym: [AS. sibb alliance, gesib a relative. sq. root289. See
Gossip.]
Definition: A blood relation. [Obs.] Nash.
Sib, a.
Definition: Related by blood; akin. [Obs. or Prov. Eng. & Scot.] Sir W.
Scott.
Your kindred is but . . . little sib to you. Chaucer.
[He] is no fairy birn, ne sib at all To elfs, but sprung of seed
terrestrial. Spenser.
Source: Webster’s Unabridged Dictionary 1913 Edition