ordinal /orˈdi-nəl/

1. Indicating order of sequence
2. Relating to an order

1. An ordinal numeral (eg first, second, third, etc, distinguished from cardinal)
2. A book of rules (obsolete)
3. A service book
4. A book of forms of consecration and ordination

• half a bar
• half-a-crown
• half-adder
• half-adders
• half-a-dozen
• half-and-half
• half-ape
• half-apes
• half-arsed
• halfas
• half-a-sovereign
• half-assed
• halfback
• halfbacks
• half-baked
• half-ball
• half-balls
• half-baptise
• half-baptize
• half-baptized
• half-baptizes
• half-baptizing
• halfbeak
• halfbeaks
• half-binding